Heat the oven to 375 degrees. Place the "pie" dough in a mold for 9 ”cake.
In a skillet add the olive oil, heat, add the onion, garlic, oregano and cook for 2 to 3 minutes. Pour over the "pie" dough and then place the cheeses.
Mix the flour with the salt. Slice the tomatoes and pass through the flour. Place the tomatoes on the cheeses.
Mix the eggs with the light cream and the rest of the ingredients. Pour over the tomatoes and bake for 30 to 35 minutes. Serve hot or lukewarm.