In a medium saucepan, saute the onion in a little oil over medium heat for a couple of minutes.
Add the chopped tomatoes and reduce heat and stir for 3 minutes.
In a large bowl, add tomato paste and mix with the onion and tomato mixture and season with salt and pepper, and herbs.
In a bowl beta together an egg with the flour.
Place a large non-stick frying pan over high heat with olive oil.
Using a tablespoon add mixture to the oil and fry until golden and crisp on both sides.
Transfer to a paper towel to remove any extra oil and serve warm with a spoon of Greek yogurt.