One-Pot Garlic Butter Mushroom Risotto

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A creamy risotto cooked in one pot with sautéed garlic and mushrooms, finished with butter and Parmesan for a rich, comforting meal. This italian-inspired pasta (vegetarian) ready in about 40 minutes pairs arborio rice, unsalted butter, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 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: 30 min Serves 4 Italian cuisine 450 cal/serving
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Ingredients

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Instructions

  1. Step 1: Heat 1 tbsp olive oil and 2 tbsp unsalted butter in a large heavy-bottomed pot over medium heat until melted and shimmering.
  2. Step 2: Add 1 medium finely diced yellow onion and sauté for 4-5 minutes until softened but not browned.
  3. Step 3: Stir in 4 minced garlic cloves and 8 oz sliced cremini mushrooms; cook for 5-6 minutes until mushrooms release moisture and begin to brown.
  4. Step 4: Add 1 1/2 cups arborio rice and stir to coat grains in butter and oil, cooking for 2 minutes until edges become translucent.
  5. Step 5: Pour in 1/2 cup dry white wine and cook, stirring constantly, until wine is mostly absorbed.
  6. Step 6: Begin adding 5 cups warm vegetable broth one ladle at a time, stirring continuously and waiting until liquid is almost absorbed before adding more; continue this process for 18-20 minutes until rice is creamy and tender but still slightly firm to bite.
  7. Step 7: Remove from heat and stir in 2 tbsp unsalted butter, 1/2 cup grated Parmesan cheese, 1 tsp salt, and 1/2 tsp black pepper until melted and creamy.
  8. Step 8: Garnish with 2 tbsp chopped fresh parsley and serve immediately.

Frequently asked questions

How long does One-Pot Garlic Butter Mushroom Risotto take to make?

Total time is about 40 minutes (10 min prep + 30 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 One-Pot Garlic Butter Mushroom Risotto?

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 arborio rice from drying out.

Can I substitute ingredients in One-Pot Garlic Butter Mushroom Risotto?

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 One-Pot Garlic Butter Mushroom Risotto 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 One-Pot Garlic Butter Mushroom Risotto 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.