Cheesy Spinach-Stuffed Mushrooms with Italian Sausage

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

Baked large mushrooms stuffed with a savory mixture of Italian sausage, spinach, cream cheese, and mozzarella for a rich, keto appetizer or snack. This italian-inspired keto (keto, low carb) ready in about 40 minutes pairs casing removed Italian sausage, chopped fresh spinach, softened cream cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 290 calories and feeds 6, 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: 15 min Cook: 25 min Serves 6 Italian cuisine 290 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F. Brush 12 large mushroom caps with 1 tbsp olive oil and place on a baking sheet gill side up. Season each cap with 1/2 tsp salt and 1/4 tsp black pepper.
  2. Step 2: In a large skillet over medium heat, cook 8 oz Italian sausage, breaking it apart, for 5-6 minutes until browned and cooked through. Add 2 minced garlic cloves and cook for 1 minute until fragrant.
  3. Step 3: Add 2 cups chopped fresh spinach to the skillet and sauté for 2-3 minutes until wilted. Remove from heat and stir in 4 oz softened cream cheese, 1 cup shredded mozzarella, 1/4 cup grated Parmesan, 1/2 tsp salt, and 1/4 tsp black pepper until well combined.
  4. Step 4: Spoon the sausage and cheese mixture evenly into each mushroom cap, mounding slightly.
  5. Step 5: Bake for 18-20 minutes until mushrooms are tender and the filling is bubbly and golden on top.
  6. Step 6: Let cool for 5 minutes before serving warm as a satisfying keto snack or appetizer.

Equipment for this recipe

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Frequently asked questions

How long does Cheesy Spinach-Stuffed Mushrooms with Italian Sausage take to make?

Total time is about 40 minutes (15 min prep + 25 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 Cheesy Spinach-Stuffed Mushrooms with Italian Sausage?

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 chopped fresh spinach from drying out.

Can I substitute ingredients in Cheesy Spinach-Stuffed Mushrooms with Italian Sausage?

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 Cheesy Spinach-Stuffed Mushrooms with Italian Sausage for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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 Cheesy Spinach-Stuffed Mushrooms with Italian Sausage keto?

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