World · Keto

Beef & Spinach Stuffed Portobello Mushrooms

Big portobello caps filled with seasoned ground beef, spinach, and melted mozzarella. A hearty mushroom-as-bun take that's still under 10g net carbs per serving.

Halal-friendly Gluten-free Easy
Prep
15 min
Cook
25 min
Total
40 min
Serves
2
Beef & Spinach Stuffed Portobello Mushrooms
7g Net carbs
36g Protein
30g Fat
450 Calories

Per serving

Ingredients

  • 4 Large portobello mushroom caps, stems removed and gills scraped
  • 300g (10.5 oz) Ground beef (80/20)
  • 1 tbsp Olive oil
  • 1/4 (20g) Small onion, finely diced
  • 2 cloves Garlic, minced
  • 80g Fresh baby spinach, chopped
  • 1 tsp Italian seasoning
  • 1 tbsp Tomato paste (no sugar)
  • 80g Shredded mozzarella cheese
  • 20g Parmesan cheese, grated (to top)
  • small handful Fresh parsley (to serve)
  • to taste Fine sea salt and black pepper

Method

  1. Preheat the oven to 400°F (200°C). Line a baking tray with parchment.
  2. Brush the mushroom caps with olive oil and place gill-side up on the tray. Sprinkle with salt.
  3. Heat a skillet over medium-high. Add the ground beef and break it up; cook 5-6 minutes until browned. Drain excess fat if needed.
  4. Add the onion and cook 2 minutes. Stir in the garlic and tomato paste; cook 1 minute.
  5. Add the spinach and Italian seasoning. Cook 1-2 minutes until the spinach wilts. Take off the heat.
  6. Stir half of the mozzarella into the beef mixture. Spoon the filling into the mushroom caps, mounding it generously.
  7. Top with the remaining mozzarella and parmesan. Bake 18-20 minutes, until the mushrooms are tender and the cheese is golden and bubbling.
  8. Finish with chopped parsley.

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