Keto Mushroom and Spinach Frittata Recipe
A quick one-pan breakfast packed with protein and healthy fats.
Key Info
- Prep Time: 10 minutes
- Cook Time: 20-25 minutes
- Total Time: 30-35 minutes
- Servings: 4-6
- Calories: 285 per serving
- Fat: 22g
- Protein: 18g
- Net Carbs: 3g
- Difficulty: Easy
- Dietary: Keto, Low-Carb, Gluten-Free, Vegetarian
Equipment Needed
- 10-inch oven-safe skillet (cast iron preferred)
- Large mixing bowl
- Whisk
- Measuring cups and spoons
- Sharp knife and cutting board
Ingredients
Base:
- 8 large eggs
- 60ml (¼ cup) heavy cream
- 200g (2 cups) mushrooms, sliced [cremini or white button]
- 60g (2 cups) fresh spinach, roughly chopped
- 60g (½ cup) shredded cheddar [or mozzarella]
- 30g (2 tbsp) butter or olive oil
Seasonings:
- ½ tsp salt
- ¼ tsp black pepper
- ¼ tsp garlic powder
- 1 tsp dried herbs [thyme or Italian seasoning]
Method
- Preheat oven to 190°C (375°F)
- Heat butter in skillet over medium heat until foamy
- Add mushrooms, cook until golden brown (5-7 minutes)
- Toss in spinach, cook until just wilted (2-3 minutes)
- Whisk eggs, cream, and all seasonings in a bowl until well combined
- Pour egg mixture over vegetables
- Sprinkle cheese evenly on top
- Transfer to oven, bake for 15-20 minutes until center is set but slightly jiggly
Crucial Tips
- Don’t overcrowd mushrooms – they need space to brown
- Eggs should be room temperature for even cooking
- Center should wobble slightly when done – it will continue cooking
- Let rest 5 minutes before slicing
Storage & Scaling
- Keeps 3 days refrigerated
- Freezes well for up to 1 month
- Reheat in microwave 30-60 seconds or oven at 180°C (350°F) for 10 minutes
- Double recipe using larger pan – add 5-10 minutes cooking time
Variations
- Add crispy bacon or pancetta
- Swap spinach for kale
- Try different cheese combinations
- Make dairy-free using coconut cream and omitting cheese
Common Mistakes
- Overcooking until dry
- Not pre-cooking vegetables
- Skipping the resting period
- Using too small a pan
Follow these instructions precisely, and you’ll have a restaurant-quality keto frittata that’s perfect for any meal of the day.











