Mushroom Carbonnade with Belgian Ale

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A vegetarian twist on the classic Belgian carbonnade, featuring mushrooms simmered in rich ale sauce with caramelized onions. This belgian-inspired vegetarian (vegetarian) ready in about 65 minutes pairs cremini mushrooms, Belgian ale, large yellow onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 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.

★ 3.7 (13 ratings) Prep: 20 min Cook: 45 min Serves 4 Belgian cuisine 380 cal/serving
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Ingredients

Instructions

  1. Step 1: Slice 1 lb cremini mushrooms into 1/4-inch thick pieces. In a large skillet over medium heat, melt 2 tbsp butter. Add 2 diced yellow onions and 1 diced carrot, cooking for 10 minutes until golden and caramelized, stirring occasionally.
  2. Step 2: Add the sliced mushrooms to the skillet and cook for 8 minutes until they release liquid and begin to brown. Stir in 2 tbsp all-purpose flour, cooking for 1 minute to eliminate raw flour taste.
  3. Step 3: Pour in 1 cup Belgian ale and 1 cup beef broth, scraping up any browned bits. Add 1 tbsp brown sugar, 1 tbsp cider vinegar, 1 tsp fresh thyme, 1/2 tsp salt, and 1/4 tsp black pepper. Bring to a gentle simmer and cook uncovered for 25 minutes until the sauce thickens and coats the back of a spoon.
  4. Step 4: Taste and adjust seasoning. Serve hot over buttered egg noodles or with crusty bread for a true Brussels-inspired meal.

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Frequently asked questions

How long does Mushroom Carbonnade with Belgian Ale take to make?

Total time is about 65 minutes (20 min prep + 45 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Mushroom Carbonnade with Belgian Ale?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep cremini mushrooms from drying out.

Can I substitute ingredients in Mushroom Carbonnade with Belgian Ale?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Mushroom Carbonnade with Belgian Ale for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Mushroom Carbonnade with Belgian Ale vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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