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 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

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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.

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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