Add tomato puree, salt and pepper, garlic powder, italian spices and eggs into a bowl, and beat until smooth (around 5 minutes).
Cover 6 muffin molds with muffin liners and fill up with the egg mixture.
Add some chopped sausage on top and cover each muffin with a tablespoon of shredded cheese. Put the halved tomato in the middle.
Bake on 170 degrees Celsius for 20 minutes.
Increase the oven temperature to 200 degrees Celsius and bake for another 10 minutes.
Take out from oven and rest for a few minutes before serving.