Spicy Peanut Miso Soba – 26g Protein | Vegan Dinner

These noodles are the answer when you need bold, unapologetic flavour and serious protein without turning on the oven. The sauce is a thick, glossy blend of peanut butter, miso, and gochujang that clings to every strand of buckwheat soba. Crispy tofu adds texture, kimchi brings tang, and the whole thing comes together in 20 minutes flat.

The secret? Making the sauce pourable but not watery – it should coat the noodles like silk, not pool at the bottom of the bowl.

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📊 NUTRITION (per serving)
Calories: 510 | Protein: 26g | Carbs: 58g | Fat: 19g | Fiber: 8g
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⏱️ Time: 20 minutes (Prep: 5 | Cook: 15)
🍽️ Serves: 1

INGREDIENTS:

• 60g (approx. 2 oz / 1 bundle) soba noodles, dry
• 140g firm tofu (about ½ standard block), cubed
• 150g (1 cup) frozen spinach
• 15g (1 tbsp) kimchi (make sure it’s vegan – most traditional kimchi contains fish sauce)

For the Sauce:

• 16g (1 tbsp) peanut butter
• 1 tsp miso paste
• 1 tsp gochujang
• 15ml (1 tbsp) soy sauce
• 1 tsp lime juice
• 30ml (2 tbsp) hot water

INSTRUCTIONS:

1. Cook the noodles: Bring a pot of water to a boil and cook soba noodles according to package instructions (usually 4-5 minutes). In the last minute of cooking, throw in the frozen spinach directly from the freezer. Drain everything well in a colander and give it a good shake – soggy noodles ruin this dish. Set aside.
2. Crisp the tofu: While the noodles cook, heat a non-stick pan over medium-high heat. Add tofu cubes in a single layer – no oil needed if your pan is good quality. You want them golden and crisp on all sides. This takes about 5-6 minutes total. Don’t rush it and don’t move them around too much – let each side develop a proper golden crust before flipping. Set aside on a plate.
3. Make the magic sauce: In a small bowl, whisk together peanut butter, miso paste, gochujang, soy sauce, and lime juice. It’ll be thick and paste-like, that’s normal. Add hot water 1 tablespoon at a time, whisking vigorously until it becomes pourable and creamy like a thick salad dressing. Taste it and adjust heat (more gochujang) or saltiness (more soy sauce) if needed.
4. Assemble your bowl: Add the drained noodles and spinach to a bowl. Pour the sauce over and toss everything together until every strand is coated in that gorgeous umber-colored sauce. Top with the crispy tofu cubes and a spoonful of kimchi for extra tang and probiotics.

PRO TIP: If you’re meal prepping this for tomorrow’s lunch, keep the sauce in a separate small container. Soba noodles absorb moisture like crazy overnight, they’ll suck up all that beautiful sauce and turn into a dry, clumpy mess. Add the sauce just before heating (or eating cold) and your noodles will stay perfectly textured and glossy, not mushy and stuck together.

CHEF’S KISS: Sprinkle toasted black sesame seeds on top and add a tiny drizzle (just ½ teaspoon) of toasted sesame oil right before eating. The deep, nutty, almost smoky aroma takes this from “good weeknight dinner” to “I could eat this every single day and never get tired of it.” The sesame oil is the finishing touch that makes it taste restaurant-quality. Plus: ½ tsp toasted sesame oil + 1 tsp black sesame seeds = +25 calories, +0g protein, but the flavor impact is absolutely worth it.

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🌱 PLANT DIVERSITY: Soba noodles (buckwheat) • Tofu (soybeans) • Spinach • Kimchi (cabbage) • Peanut butter (peanuts) • Miso (soybeans) • Gochujang (chili peppers)

(If you’re tracking plants per week, this adds 6 to your count.)

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*Nutrition information is an estimate and may vary based on ingredients and brands used.* 

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ESSENTIALS

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You may find yourself in need of: 

Non-Stick Skillet – ideal for crisping tofu evenly without needing extra oil. Let it sit undisturbed and you’ll get that golden crust.

Buckwheat Soba Noodles – slightly nutty, earthy, and perfect for bold sauces like peanut-miso. Light but satisfying.

Gochujang Paste – concentrated and bold. Start small and adjust to your preferred heat level.

Toasted Sesame Oil  – rich and fragrant. Helps round out the heat from gochujang and the saltiness of miso.

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