Cook the mushrooms first to remove excess moisture and prevent the frittata from becoming watery

You can use light mozzarella to reduce the calories while still getting a cheesy topping

Swap the bacon for turkey bacon or leave it out for a vegetarian version

Add extra vegetables such as peppers, onion or tomatoes if you like

Store covered in the fridge for up to 3 days and enjoy cold or reheated

For extra protein, serve with a side of Greek yoghurt or add additional egg whites to the mixture