Stir the eggs. Add to yogurt with added soda to it and the oil. Add flour as necessary to obtain a not very thick mixture. Add cheese and confused with a spoon. Pour the mixture into a buttered and floured previously pan (30x20 cm) and bake in preheated moderate oven for 15 minutes. Optional cut to squares and each square into two triangular. For more tray is put a double dose of product.