Sautéed Mushrooms and Spinach with Garlic Butter

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

Earthy mushrooms and tender spinach sautéed in garlic butter, perfect as a savory side or topping. This general-inspired vegetarian (vegetarian) ready in about 20 minutes pairs unsalted butter, minced garlic cloves, sliced cremini mushrooms for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 120 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: 5 min Cook: 15 min Serves 4 120 cal/serving
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Ingredients

Instructions

  1. Step 1: Melt 3 tbsp unsalted butter in a large skillet over medium heat. Add 4 cloves minced garlic and sauté for 30 seconds until fragrant but not browned.
  2. Step 2: Add 12 oz sliced cremini mushrooms and cook for 6-8 minutes, stirring occasionally, until the mushrooms are golden and their liquid has evaporated.
  3. Step 3: Stir in 5 cups baby spinach and cook for 2-3 minutes until wilted and tender.
  4. Step 4: Season with 1 tsp kosher salt, 1/2 tsp black pepper, and drizzle 1 tsp fresh lemon juice to brighten flavors.
  5. Step 5: Remove from heat and sprinkle with 2 tbsp chopped fresh parsley before serving warm.

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Frequently asked questions

How long does Sautéed Mushrooms and Spinach with Garlic Butter take to make?

Total time is about 20 minutes (5 min prep + 15 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 Sautéed Mushrooms and Spinach with Garlic Butter?

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 unsalted butter from drying out.

Can I substitute ingredients in Sautéed Mushrooms and Spinach with Garlic Butter?

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 Sautéed Mushrooms and Spinach with Garlic Butter 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 Sautéed Mushrooms and Spinach with Garlic Butter 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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