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Keto Italian Sausage Stuffed Mushrooms Recipe

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Juicy mushrooms stuffed with garlicky Italian sausage, cream cheese, herbs, and melty mozzarella. These low-carb stuffed mushrooms are rich, cheesy, and perfect for dinner, meal prep, or party appetizers. No breadcrumbs, no weird substitutes, just real food packed with flavor.

Ingredients

Scale

For the Mushrooms:

  • 20–24 medium white or cremini mushrooms

  • 1 tbsp olive oil

  • Pinch of salt

For the Filling:

  • 1 lb Italian sausage (mild or hot, casing removed)

  • 4 cloves garlic, minced

  • 1/2 yellow onion, finely chopped (optional)

  • Mushroom stems, chopped

  • 1/2 tsp fennel seeds, crushed

  • 1/4 tsp red pepper flakes

  • 1 tsp dried oregano

  • 1/2 tsp black pepper

  • Salt, to taste

  • 4 oz cream cheese (softened)

  • 1/2 cup shredded mozzarella cheese

  • 1/4 cup grated parmesan cheese

Topping:

  • Extra mozzarella & parmesan

  • Chopped fresh parsley or basil (optional)

  • Olive oil drizzle

Instructions

  • Prep Mushrooms: Wipe mushrooms clean, remove stems, and gently hollow out caps. Set stems aside.

  • Bake Caps: Drizzle mushroom caps with olive oil and a little salt. Bake at 375°F (190°C) for 10 minutes.

  • Make Filling: In a skillet, brown sausage over medium heat. Add garlic, onion, chopped stems, fennel seed, red pepper flakes, oregano, and pepper. Cook until soft and browned.

  • Creamy Mix: Lower heat. Stir in cream cheese until melted, then mix in mozzarella and parmesan. Adjust salt.

  • Stuff: Spoon filling into each mushroom cap. Top with extra cheese and a light drizzle of olive oil.

  • Bake: Bake stuffed mushrooms at 375°F for 15–18 minutes until cheese is golden and bubbling.

  • Rest & Serve: Let rest 5 minutes. Sprinkle with herbs and serve warm.

Notes

  • Use smaller mushrooms for appetizers, larger ones for a full meal.

  • Filling can be made ahead and stored in the fridge up to 2 days.

  • To reheat, use an oven or air fryer for best texture.

  • Not freezer-friendly due to cream cheese.

  • Skip onions for stricter keto macros.

Nutrition

Find it online: https://www.wellnesswarrior.org/keto-italian-sausage-stuffed-mushrooms/