Siberian Buckwheat Kasha with Mushrooms and Caramelized Onions

By AislePrompt Editorial · Published 2026-06-17 · Updated 2026-06-17

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are developed and reviewed.

A hearty, earthy buckwheat dish featuring sautéed mushrooms and sweet caramelized onions, inspired by traditional Russian flavors from the Siberian region. This Russian-inspired vegetarian recipe, ready in about 35 minutes, pairs buckwheat groats, water, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 25 min Serves 4 Russian cuisine 220 cal/serving

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Ingredients

1 cup buckwheat groats
2 cups water
3 tbsp olive oil
1 medium, thinly sliced yellow onion
8 oz, sliced button mushrooms
2, minced garlic cloves
1 tsp salt
1/2 tsp black pepper
2 tbsp, chopped fresh parsley

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Instructions

Step 1: Rinse 1 cup buckwheat groats under cold water until water runs clear. In a medium saucepan, bring 2 cups water to a boil, add the buckwheat, reduce heat to low, cover, and simmer for 15 minutes until water is absorbed and groats are tender.
Step 2: While buckwheat cooks, heat 3 tbsp olive oil in a large skillet over medium heat. Add 1 medium thinly sliced yellow onion and cook for 10 minutes, stirring occasionally, until onions are golden and caramelized.
Step 3: Add 8 oz sliced button mushrooms and 2 minced garlic cloves to the skillet with onions. Sauté for 5-7 minutes until mushrooms release moisture and become tender, stirring frequently.
Step 4: Season the mushroom and onion mixture with 1 tsp salt and 1/2 tsp black pepper, then stir in the cooked buckwheat. Cook together for 2 minutes to combine flavors.
Step 5: Remove from heat and garnish with 2 tbsp chopped fresh parsley before serving warm.