Prepare the muffin molds by smearing them with sunflower oil.
I have paper forms, but it is better to use silicone ones.
Finely chop the bell pepper, cherry tomatoes cut in half.
Put a little pepper and cherry tomatoes on the bottom of the molds.
Season with salt and pepper.
Chop the parsley and mozzarella.
Put a little on the vegetables.
Carefully beat the egg into the mold.
And try to first pour in the protein, and already pour the yolk up. Season with salt and pepper.
Bake in a preheated oven at 180 g for 25 minutes.