14 Surprising Ingredients to Skip in Your Next Sandwich Creation

We all love a good sandwich – that perfect stack of bread, meat, and toppings that makes lunch worth waiting for. But sometimes our sandwich-making enthusiasm leads us down strange paths. I’ve seen (and tried) some truly bizarre combinations that made me question everything I knew about food pairings.

From the eye-watering punch of raw onions to the polarizing funk of durian, certain ingredients just don’t belong between two slices of bread. Your co-workers will thank you for skipping these 14 items that can turn your lunch from delicious to disastrous in one bite.

Think of this list as your sandwich intervention – a friendly guide to ingredients that should stick to their own lanes. Some of these might shock you (chocolate spread, really?), while others will make perfect sense once you imagine the chaos they’d create in your perfectly innocent sandwich.

 

Pastrami

I know pastrami holds a special place in your deli-loving heart, but you might want to reconsider slapping it on your next sandwich. While this smoky, spiced beef brings bold flavors, it packs a whopping 1,000+ milligrams of sodium per serving! Your average pastrami sandwich can contain more salt than you should eat in an entire day. Plus, the processing methods used to create this deli favorite often involve questionable preservatives and nitrates that your body could definitely do without.

Instead of reaching for that stack of pastrami, try roasting your own beef at home with a simple spice rub. Mix black pepper, coriander, and garlic powder, then coat a lean cut of beef before cooking. You’ll get all those wonderful warm spices without the excessive salt and additives. Your heart will thank you, and your sandwich will still be absolutely delicious. Want extra protein? Add some fresh turkey or chicken – they’ll give you the meaty satisfaction without the salt overload.

 

Sauerkraut

You might think sauerkraut belongs on your sandwich, especially if you’re going for that classic Reuben vibe. But hold up! This fermented cabbage creation can turn your perfectly good sandwich into a soggy mess faster than you can say “kraut.” The excess moisture from sauerkraut seeps into your bread, creating a disappointingly wet situation that nobody wants. Plus, its strong, tangy flavor can overpower all your other carefully chosen ingredients, making everything else disappear into a sour oblivion.

If you absolutely must have your sauerkraut fix (and I get it, those probiotics are fantastic), try serving it on the side instead. This way, you’ll keep your sandwich structurally sound while still getting to enjoy that zingy fermented goodness. Another pro tip: drain and pat your sauerkraut dry before adding it to anything. And if you’re really set on including it in your sandwich, consider using it in a hot sandwich where the bread has been toasted – this creates a barrier against the moisture and keeps everything much more manageable.

 

Wasabi

I know you’ve seen that bright green paste next to your sushi roll, but hold up – real wasabi and that sandwich-destroying imposter are two totally different beasts! Most wasabi you’ll find in stores or restaurants is actually a mix of horseradish, mustard, and food coloring. While that fake stuff might work for your spicy tuna roll, it’ll completely overpower your carefully crafted sandwich. The intense heat and sharp bite will bulldoze through any subtle flavors you’ve built up, leaving your taste receptors shell-shocked and your sandwich experience ruined.

If you’re dead set on adding some kick to your sandwich, try fresh grated horseradish or a spicy mustard instead. These alternatives give you that similar nose-tingling sensation but with more control over the heat level. Real wasabi, which comes from a Japanese root vegetable, costs around $200 per pound and loses its flavor within 15 minutes of grating – making it both impractical and expensive for your everyday sandwich needs. Plus, authentic wasabi has a complex, sweet-hot flavor that pairs specifically with fish, not your turkey and cheese on rye.

 

Cilantro

Ah, cilantro – the herb that sparks more heated debates than politics at Thanksgiving dinner! You either worship this leafy green goddess or think it belongs in the compost bin. While cilantro might rock your world in tacos or curry, adding it raw to your sandwich can overwhelm every other ingredient faster than you can say “soap taste.” The strong, distinctive flavor bulldozes through mild ingredients like turkey or cheese, turning what should be a harmonious blend into a one-note cilantro symphony.

If you’re among the 4-14% of people with the cilantro-soap gene (yes, that’s a real thing!), this herb can make your sandwich downright inedible. But even if you’re Team Cilantro, consider skipping it in your next sandwich creation. The leaves wilt quickly between bread slices, becoming sad and slimy within hours. Instead, try parsley or basil for that fresh green kick – they play much nicer with other sandwich ingredients and won’t start a family feud at the lunch table.

 

Chocolate Spread

I know chocolate spread seems like a dreamy addition to your sandwich – who doesn’t want dessert for lunch, right? But hold onto your bread slices, because this sweet treat can turn your perfect sandwich into a mushy mess faster than you can say “sugar rush.” The problem lies in chocolate spread’s notorious tendency to melt at room temperature, creating a sticky situation that’ll have you questioning your life choices. Plus, the intense sweetness can completely overpower other ingredients, leaving you with what’s basically a sugary bread situation.

Your sandwich deserves better than this chocolate chaos! Think about it – chocolate spread adds around 200 calories per tablespoon, and its high sugar content will send your energy levels on a rollercoaster ride. If you absolutely need that chocolate fix in your sandwich (no judgment here), try adding a thin layer of dark chocolate shavings instead. They’ll give you that rich cocoa flavor without turning your bread into a soggy disaster. Your sandwich, your clothes, and your dignity will thank you for making this smart switch.

 

Fish Roe

I know caviar might sound fancy and sophisticated, but trust me, you’ll want to skip this briny ingredient on your next sandwich. Fish roe brings an overwhelming oceanic punch that’ll drown out your other ingredients faster than a tidal wave. Plus, those tiny eggs have an annoying habit of rolling right off your bread and onto your lap – I learned this the hard way during a misguided attempt to create a “luxury” tuna sandwich that left me picking orange spheres off my favorite white pants.

Beyond the practical mess, fish roe carries a strong fishy aroma that’ll linger in your breath for hours (not ideal for that post-lunch meeting). The texture also creates an odd contrast with typical sandwich ingredients – imagine biting into a soft turkey and cheese combo only to hit a crunchy, poppy explosion of salt water. Save your caviar for blinis or fancy crackers where it can shine as the star. Your sandwich bread deserves better companions that’ll stay put and play nice with other ingredients.

 

Horseradish

Listen, I adore a good kick of spice in my sandwiches, but horseradish can turn your simple lunch into a sinus-clearing situation faster than you can say “my nose is on fire!” While this pungent root might work wonders in a prime rib dinner, slathering it on your sandwich can completely overpower all other ingredients. The intense heat from horseradish compounds actually triggers your brain’s pain receptors – yes, you’re literally feeling pain when you eat it! And unlike other spicy foods that build gradually, horseradish hits you with an immediate punch to the sinuses.

Instead of raw horseradish, try mixing a tiny amount with mayo or Greek yogurt to create a more balanced spread that won’t leave you gasping for water. You can also swap it out entirely for milder alternatives like whole grain mustard or wasabi mayo, which offer complexity without the overwhelming burn. Fun fact: despite its name, horseradish isn’t related to horses at all – it’s actually part of the same family as mustard and cabbage! Your sandwich buddies will thank you for keeping this nostril-clearing root off their lunch plate.

 

Durian

If you’ve ever caught a whiff of durian, you know exactly why this spiky Southeast Asian fruit should stay far away from your sandwich. Known as the “king of fruits,” durian has such a powerful stench that many hotels and public transportation systems across Asia have banned it completely. Picture a mix of rotting onions, turpentine, and gym socks – that’s what you’d be adding between your bread slices. The creamy, custard-like flesh might have its devoted fans, but trust me, your sandwich buddies won’t appreciate this pungent addition.

Beyond its notorious smell, durian’s rich, custardy texture would make your sandwich soggy in record time. The fruit’s complex flavor profile – ranging from sweet to savory with notes of almond and caramel – clashes with most traditional sandwich ingredients. Plus, at $10-30 per fruit, you’d be making the world’s most expensive (and smelliest) sandwich. Keep this tropical heavyweight for desserts or smoothies instead, where its unique character can shine without overwhelming everything else in a 10-foot radius.

 

Kimchi

I know you love a good kick of spice in your sandwich, but kimchi might not be your best bread buddy. While this Korean fermented cabbage rocks as a side dish or in rice bowls, it can turn your sandwich into a soggy mess faster than you can say “fermentation.” The abundant liquid from kimchi seeps into your bread, creating a mushy disaster that’ll have you reaching for a fork instead of picking up your sandwich with dignity. Plus, the strong garlic and fish sauce notes can overpower other ingredients, leaving you with a one-dimensional flavor bomb.

Look, I learned this the hard way after making what I thought would be a genius kimchi grilled cheese. The bread got weirdly wet, the cheese didn’t meld with the kimchi, and the whole thing fell apart in my hands. If you’re craving those tangy, spicy notes, try adding fresh ingredients like sliced jalapeños or Korean red pepper flakes to your sandwich instead. These alternatives will give you that desired heat without turning your bread into a soaked sponge. Save your precious kimchi for bibimbap or as a zesty side dish where it truly shines!

 

Pickled Walnuts

You might think you know all about pickles, but let me throw you a curveball – pickled walnuts! These black, oddly squishy nuts will turn your sandwich into a weird science experiment gone wrong. While the British have enjoyed them since the 1700s, slapping these inky-dark orbs between bread slices creates a messy, drippy situation that’ll leave your hands looking like you’ve been fingerprinted at the local police station. Plus, their intense vinegary punch can overpower every other ingredient in your sandwich, making that fancy prosciutto or aged cheddar completely irrelevant.

Here’s the thing about pickled walnuts – they’re actually unripe green walnuts that have been brined until they transform into these midnight-black flavor bombs. Think of them as the goth teenagers of the pickle world. While they make fantastic accompaniments to strong cheeses on a charcuterie board or add depth to rich stews, their runny black juice will turn your sandwich bread into a soggy disaster. Save yourself the cleanup and keep these rebellious nuts where they belong – in a jar, far away from your sandwich-making station!

 

Licorice

I never thought I’d need to warn anyone about putting licorice in a sandwich, but here we are! While you might love those twisted black candies as a sweet treat, adding licorice to your sandwich is like putting gummy bears on a pizza – just plain wrong. The intense anise flavor will completely overpower any other ingredients, turning your carefully crafted sandwich into what tastes like a medicinal herb garden gone rogue. Plus, the chewy, sticky texture of licorice can make your sandwich nearly impossible to eat without pulling everything apart.

Beyond the obvious texture and flavor mismatches, licorice contains glycyrrhizin, a compound that can mess with your blood pressure if you eat too much of it. Some European countries even have warnings about consuming excessive amounts of black licorice! Save your licorice for movie nights and candy bowls, where it belongs. Your sandwich deserves better than being turned into a weird candy experiment that would make even the most adventurous food critics raise their eyebrows. Stick to classic sandwich ingredients that play well together, and keep the licorice in the candy jar.

 

Fish Sauce

I know fish sauce makes amazing Asian dishes, but trust me – you’ll want to keep this funky fermented condiment far away from your sandwich! The intense, salty punch of fish sauce can completely overpower your carefully chosen sandwich ingredients. Plus, the liquid consistency means your bread will turn into a soggy mess faster than you can say “anchovy juice.” While a few drops can transform a stir-fry into something magical, splashing it on your turkey club will leave you with an overwhelming fishy taste that no amount of mayo can save.

Your sandwich deserves better than this pungent assault! Fish sauce belongs in your pad thai and Vietnamese dipping sauces, where its deep umami flavors can shine. The process of fermenting fish with salt creates an incredibly concentrated product – just a tiny splash packs more sodium than an entire bag of potato chips. Skip this intense condiment and stick to classic sandwich spreads like mustard or hummus. Your bread (and your taste buds) will thank you for keeping the fish sauce safely in the Asian cooking section of your pantry.

 

Strong Onion

Raw onions pack such an intense punch that they can hijack your entire sandwich experience faster than you can say “tear-free chopping.” I learned this the hard way at a family picnic where my uncle’s homemade sandwich left everyone with dragon breath for hours. While onions add fantastic flavor to many dishes, their raw form can overwhelm the subtle tastes of your other sandwich ingredients, leaving you with nothing but that sharp, pungent bite that lingers long after lunch is over.

If you absolutely must include onions in your sandwich creation, consider quick-pickling them or giving them a light sauté first. This mellows their intensity while preserving their delicious flavor profile. Another trick I picked up from my local deli wizard is to soak sliced onions in cold water for about 10 minutes – this removes some of the bite while keeping that satisfying crunch. Your sandwich companions will thank you, and you won’t need to keep a pack of mints handy for post-lunch meetings.

Blue Cheese

I get it – blue cheese has its devoted fans who’ll sprinkle those funky crumbles on everything from salads to steaks. But let me stop you before you add it to your sandwich! The intense, sharp flavor of blue cheese can totally overpower your other sandwich ingredients, leaving you with a one-note wonder that screams “MOLD!” (yes, that’s actually what gives blue cheese its distinctive blue-green veins and strong aroma). Plus, the creamy-crumbly texture can make your bread soggy faster than you can say “Roquefort.”

Here’s another reason to skip the blue cheese on your sandwich – it doesn’t play well with others. Unlike milder cheeses that complement meats and vegetables, blue cheese demands center stage. It’ll fight with your ham, argue with your tomatoes, and completely drown out any subtle flavors from your fresh herbs or spreads. If you’re a die-hard blue cheese fan, save it for a cheese plate where it can shine solo, or toss it in a salad where its bold personality won’t cause such a ruckus. Your sandwich will thank you for choosing a more cooperative cheese companion!