Slow Cooker Korean-Inspired Kimchi Tofu Stew

Korean Comfort Food with Gut-Healing Power

Kimchi jjigae (kimchi stew) is one of Korea’s most iconic comfort foods — the kind of dish that every Korean household has their own version of. It’s spicy, it’s funky, it’s deeply savory, and it’s one of those meals that just makes everything feel better. I’ve been obsessed with Korean food for years, and adapting this traditional stew for the slow cooker has been one of my best kitchen experiments.

What makes this stew so special — beyond the incredible flavor — is the healing power of fermented foods. Kimchi is one of the world’s great probiotic foods, and when you build an entire stew around it, you’re creating something that’s as good for your gut as it is for your taste buds. The slow cooker lets all those deep, complex flavors develop over hours, and the result is a stew that tastes like it’s been simmering on a Korean grandmother’s stove all day.

This recipe makes 8 to 10 servings, so you can enjoy it fresh and freeze the rest for whenever you need a warming, probiotic-rich meal in a hurry.

Why Fermented Foods Are So Important for Healing

Kimchi is a traditional Korean fermented vegetable dish — most commonly made with napa cabbage, salt, garlic, ginger, and gochugaru (Korean chili flakes). The fermentation process creates billions of beneficial probiotic bacteria, primarily Lactobacillus strains, that support your gut microbiome. A healthy gut microbiome is connected to virtually every aspect of your health — from immune function to mental health to skin clarity. Make sure to buy vegan kimchi (some traditional kimchi contains fish sauce or shrimp paste — check the label or look for brands specifically labeled vegan).

Capsaicin from gochugaru (Korean red pepper flakes) does more than create heat — it’s been studied for its ability to support healthy metabolism, reduce inflammation, and even support cardiovascular health. Korean cooks have long understood that moderate spice consumption supports overall wellness, and gochugaru’s particular flavor — smoky, slightly sweet, moderately hot — is what gives this stew its signature character.

Tofu provides a complete source of plant protein with all essential amino acids. It’s also a good source of calcium, iron, and magnesium. The firm tofu in this stew absorbs all those delicious kimchi flavors while maintaining a satisfying texture that contrasts beautifully with the soft vegetables.

Mushrooms contribute additional umami depth and immune-supporting compounds. They’re one of the few plant sources of vitamin D and contain beta-glucans that support immune function.

Ingredients

• 2 cups vegan kimchi, roughly chopped (plus 1/4 cup kimchi brine from the jar)
• 14 oz extra-firm tofu, drained, pressed, and cut into 1-inch cubes
• 8 oz shiitake or cremini mushrooms, sliced
• 1 medium zucchini, halved lengthwise and sliced
• 1 large yellow onion, diced
• 4 cloves garlic, minced
• 1 tablespoon fresh ginger, grated
• 4 cups vegetable broth
• 2 tablespoons gochugaru (Korean red pepper flakes)
• 2 tablespoons soy sauce or tamari
• 1 tablespoon toasted sesame oil
• 1 tablespoon gochujang (Korean chili paste)
• 1 tablespoon maple syrup
• 1 teaspoon sea salt (adjust to taste)

For serving:

• Sliced green onions
• Toasted sesame seeds
• Steamed white or brown rice
• Extra kimchi on the side
• Chili oil (optional)

Slow Cooker Instructions

1. Layer the slow cooker. Add the chopped kimchi and kimchi brine, mushrooms, onion, garlic, and ginger to the slow cooker.
2. Add the liquids and spices. Pour in the vegetable broth, gochugaru, soy sauce, sesame oil, gochujang, and maple syrup. Stir to combine.
3. Add the tofu. Gently place the tofu cubes into the stew. Don’t stir too vigorously — you want the tofu to stay in cubes rather than crumbling.
4. Cook low and slow. Cover and cook on LOW for 6-7 hours or HIGH for 3-4 hours.
5. Add the zucchini. During the last 45 minutes of cooking, add the sliced zucchini. It cooks quickly and you want it tender but not mushy.
6. Season and serve. Taste and adjust salt as needed. Ladle over steamed rice in bowls and top with green onions, sesame seeds, and extra kimchi.

Yield: 8-10 servings

Cook time: 6-7 hours on LOW / 3-4 hours on HIGH

Freezing Instructions

• Let it cool completely before portioning.
• Use individual serving-size freezer-safe containers.
• Leave about 1/2 inch of headspace for expansion.
• Label each container with the recipe name and date.
• Freezes well for up to 3 months.

Note on tofu texture: The tofu may become slightly spongier after freezing, which actually helps it absorb even more of the flavorful broth when reheated. Many Korean cooks intentionally freeze tofu before cooking for this exact reason.

Reheating Instructions

• From frozen (microwave): Microwave for 3-4 minutes, stirring halfway through. Serve over freshly steamed rice.
• From frozen (stovetop): Thaw overnight in the refrigerator. Reheat over medium heat until bubbling. The stew tastes even better the next day as the flavors continue to develop.

Where to Find the Ingredients

All of these ingredients are available at regular grocery stores. Vegan kimchi is increasingly common — look for it in the refrigerated section near the sauerkraut or in the international aisle. Brands like Wildbrine, Mother In Law’s, and many store brands now offer vegan versions. Gochugaru and gochujang are in the international aisle — if your store has an Asian foods section, that’s where you’ll find them.

If you can’t find gochugaru, you can substitute a mix of regular red pepper flakes and smoked paprika (equal parts), though the flavor won’t be quite the same. Gochugaru has a unique smoky sweetness that’s worth seeking out.

This stew is one of those recipes that proves fermented foods can be absolutely delicious — not just healthy. Every bowl is packed with flavor and gut-healing goodness, and I hope it inspires you to explore Korean cooking even further.

Amie Harpe Founder and Author, Peacefully Proven

Amie Harpe is the founder of Peacefully Proven and is currently in menopause. She writes from lived experience about HRT, brain fog, hot flashes, sleep disruption, and the daily rituals that have helped her feel like herself again. She is vegan, food-as-medicine focused, and a believer in the honest conversations women aren’t having loudly enough.

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