Stuffed Portobello Mushrooms with Ground Beef: A Savory & Keto-Friendly Dinner

These low-carb stuffed portobello mushrooms are a flavor-packed alternative to traditional stuffed peppers or casseroles. Juicy mushrooms absorb all the rich seasonings of the ground beef filling, making each bite irresistibly delicious.

• Total Cooking Time: 35 minutes
• Preparation Time: 10 minutes
• Cooking Time: 25 minutes
• Servings: 2

Ingredients

For the Mushrooms:

1. 4 large portobello mushrooms, stems removed
2. 1 tbsp olive oil
3. ¼ tsp salt
4. ¼ tsp black pepper

For the Filling:

• 300 g (10 oz) ground beef
• ½ small onion, finely diced
• 2 cloves garlic, minced
• ½ tsp smoked paprika
• ½ tsp dried oregano
• ¼ tsp salt
• ¼ tsp black pepper
• 1 tbsp tomato paste
• ¼ cup (60 ml) beef broth (or water)
• ½ cup (50 g) shredded mozzarella or cheddar cheese

For Garnish:

1. 1 tbsp fresh parsley, chopped
2. 1 tbsp grated Parmesan cheese (optional)

Optional Additions:

• ½ tsp red pepper flakes (for spice)
• 1 tbsp cream cheese (for extra creaminess)
• ¼ cup diced tomatoes (for a fresher taste)

Substitutions:

• Dairy-free: Use dairy-free cheese or skip the cheese entirely.
• Extra protein: Add crumbled bacon or cooked sausage to the filling.
• Vegetarian option: Substitute ground beef with crumbled tofu or lentils.

Step-by-Step Instructions

1. Preheat the Oven:
   • Set oven to 200°C (400°F) and line a baking sheet with parchment paper.
2. Prepare the Mushrooms:
   • Brush portobello mushrooms with olive oil, then season with salt and black pepper.
   • Place them on the baking sheet and bake for 10 minutes to soften slightly.
3. Cook the Ground Beef Filling:
   • Heat a skillet over medium heat and add ground beef. Cook for 5 minutes, breaking it apart.
   • Add onion, garlic, smoked paprika, oregano, salt, and black pepper, and sauté for 2 minutes until fragrant.
   • Stir in tomato paste and beef broth, cooking for another 2 minutes until combined.
4. Stuff the Mushrooms:
   • Remove mushrooms from the oven and evenly divide the beef mixture among them.
   • Sprinkle with shredded cheese and return to the oven.
5. Bake Until Golden:
   • Bake for 10 more minutes, until the cheese is melted and bubbly.
6. Garnish & Serve:
   • Remove from oven and sprinkle with fresh parsley and Parmesan cheese.
   • Serve hot and enjoy!

Nutritional Information (Per Serving – 2 Stuffed Mushrooms)

• Calories: 380
• Protein: 35 g
• Fats: 22 g
• Carbohydrates: 8 g
• Fiber: 3 g
• Sugar: 4 g

Vitamins & Benefits

• Portobello Mushrooms: High in fiber and essential minerals.
• Ground Beef: Packed with protein and iron for muscle health.
• Garlic & Onion: Support immune function and add depth of flavor.

Did you know? Portobello mushrooms are a great low-carb substitute for bread or burger buns, making them a staple in keto diets!

Storage Tips

• Refrigeration: Store leftovers in an airtight container for up to 3 days.
• Reheating: Warm in the oven at 180°C (350°F) for 5 minutes or microwave for 30 seconds.
• Freezing: Not recommended, as mushrooms can become watery when thawed.

FAQ

❓ Can I make these ahead of time?
✔️ Yes! Prepare the filling in advance, then stuff and bake when ready.

❓ What side dishes pair well with this?
✔️ Serve with a side of cauliflower mash, roasted Brussels sprouts, or a fresh salad.

❓ Can I use different mushrooms?
✔️ Yes! Try using large cremini mushrooms for mini-stuffed versions.