Jody and Kirstie’s Hot Tips

• Double the marinade. It keeps in the fridge for a week and works beautifully on noodles, panko-crusted anything, crispy tofu, and salmon.
• Char is your friend. A little grill fire on the gochujang is not burning, it is flavour. Let it happen.
• Want more heat? Add a splash of sriracha or a pinch of Korean chili flakes (gochugaru) to the marinade.
• Freeze it ahead. Mix the marinade and raw chicken in a freezer bag and freeze for up to three months. Thaw overnight before grilling. Perfect for cottage weekends.
• Check the label. Gochujang comes in different heat levels, usually indicated by chili symbols on the container. Start with medium if you are not sure.

Kitchen Science: Why Fermented Ingredients Make Better Marinades

Here is the part that changes how you think about cooking. Gochujang is fermented, which means it contains natural glutamates. Glutamates are the compounds responsible for umami, that deep, savoury, mouth-coating flavour that makes food taste more complete. When you marinate chicken in a fermented ingredient, those glutamates penetrate the muscle fibres and amplify the natural flavour of the meat itself. You are not just coating the outside. You are seasoning from within.

The glutinous rice in gochujang also matters. It gives the paste its thick, sticky texture, which helps the marinade cling to the chicken instead of sliding off on the grill. That stickiness is also what creates the shiny, delicious crust when it hits the heat. It is not magic. Did we mention how much we love food science?

What Can I Use Instead of Gochujang?

Good news first: gochujang is much easier to find than it used to be. Check the international aisle of your regular grocery store and look for a bright red container or bottle. Most major grocery stores carry it now, and Asian supermarkets always do. It is worth grabbing if you can find it.

If you cannot find it, here are swaps that work beautifully in this marinade:

Sriracha + white miso. Mix 2 tablespoons sriracha with 1 tablespoon white miso. You get the heat from sriracha and the fermented depth from miso. Use the same total amount called for in the recipe.

Sambal oelek + honey + miso. Sambal gives you pure chili heat without sweetness, so you need to build that back in. Mix 2 tablespoons sambal oelek, 1 teaspoon honey, and 1 tablespoon white miso. Tastes closest to the real thing.

Sriracha + peanut butter. The peanut butter adds body and subtle richness that mimics gochujang’s thick, paste-like texture. Use 2 tablespoons sriracha and 1 tablespoon peanut butter.

Doenjang + sriracha. For the fermentation nerds in the room. Doenjang is Korean fermented soybean paste, punchier than miso. Use 1 tablespoon doenjang and 2 tablespoons sriracha. Bold, funky, and genuinely delicious.

Variations and Substitutions

Protein swap. This marinade works on pork chops, salmon, tofu, and cauliflower steaks. If you are grilling salmon, reduce the marinating time to 20 minutes maximum or the acid will start to break down the flesh.

No grill? A cast iron pan or oven broiler gets you the same char. Get the pan screaming hot before the chicken goes in.

Add fresh ginger. A tablespoon of grated fresh ginger in the marinade adds a bright, zippy edge that cuts through the richness beautifully.

Sweetener swap. Honey or maple syrup work well in place of sugar.

What to Serve with Gochujang Chicken

Steamed jasmine rice is the classic pairing and it is classic for a reason. The rice absorbs all the drippings and marinade that come off the chicken. Beyond that, pickled cucumbers, shredded carrots, kimchi, and crisp cabbage slaw all cut through the richness of the chicken perfectly.

Our current obsession is serving this gochujang chicken alongside our Korean Sweet Potato Noodle Salad. The miso-sesame vinaigrette in that salad and the gochujang on the chicken speak the same flavour language. It is a genuinely great summer dinner.

FAQ

What does gochujang taste like?

Gochujang is thick, deeply savoury, and a little sweet with a gentle, building heat. It is closer to a rich, spicy miso than it is to hot sauce. The fermented quality gives it a funky depth that is hard to replicate with fresh ingredients alone.

Is gochujang very spicy?

It is more of a warming, building heat than a sharp punch. Gochujang is spicy, but also rich and slightly sweet, which softens the heat considerably. Most people who are nervous about spice find it very approachable. Check the container label for heat level indicators if you want to start on the mild side.

Is gochujang the same as sriracha?

No. Sriracha is a smooth, vinegar-forward hot sauce with a sharp, immediate heat. Gochujang is a thick fermented paste with a deeper, more complex flavour and a slower-building warmth. They are not interchangeable, though sriracha can work as part of a substitute in a pinch.

What to mix with gochujang for chicken?

Garlic, sesame oil, a touch of sweetener like honey or sugar, and soy sauce are the classic companions. That combination balances the heat, adds umami, and helps the marinade caramelize on the grill. Fresh ginger is a great optional addition for brightness.

How do Koreans marinate their chicken?

Traditional Korean chicken marinades are built on fermented and umami-rich ingredients: gochujang, doenjang (fermented soybean paste), soy sauce, garlic, sesame oil, and sugar. The fermentation is key. It adds depth, tenderizes the protein slightly, and creates a complex flavour base that goes well beyond a simple spice rub.

Can I make gochujang chicken ahead of time?

Yes. Marinate the chicken up to 24 hours in advance and keep it covered in the fridge. You can also freeze raw chicken in the marinade for up to three months. Thaw overnight in the fridge before grilling.

Key Takeaways

• Gochujang does the heavy lifting in this recipe: heat, sweetness, and umami in one ingredient.
• Chicken thighs are the right cut here. They stay juicy under high grill heat and caramelize better than breasts.
• The fermented glutamates in gochujang season the chicken from within, not just on the surface.
• Double the marinade. It keeps for a week and works on everything from noodles to tofu to salmon.
• Gochujang is widely available in the international aisle of most grocery stores. Look for a bright red container.

Serve This With

This gochujang chicken is made for summer. Pair it with our Korean Sweet Potato Noodle Salad for a complete Korean-inspired dinner that comes together in under 30 minutes. The miso-sesame vinaigrette in that salad was practically designed to sit next to this chicken.

 

Jody O’Malley and Kirstie Herbstreit are the Red Seal-certified chef co-owners of The Culinary Studio in Waterloo, Ontario. Jody is a Stratford Chefs School graduate (2002) and Kirstie trained at SAIT in Calgary (2003). Together, they bring over 20 years of professional cooking experience and 15 years building one of Canada’s leading culinary education businesses. They teach home cooks the science and techniques behind great food, not just the recipes, and co-host the Chef Over Your Shoulder podcast alongside Amy Schlueter. If you love Korean flavours, their Bibimbap cooking class is one of their most popular on-demand classes.