Cut the skinless sausages on wheels with 2 cm thick . Arrange in a baking dish, cover with butter cut into small pieces and baked for 10 minutes in the oven. Meanwhile mix to the feta cheese and cream, add the eggs one at a time, add salt to taste and broken until a fluffy mixture. Pour hot skinless sausages and baked a little while turn pink. Dish it and in pots, as top put tomato ring.