subject: Healthy Vegetarian Cake Provencal Recipe [print this page] After you have mixed them up properly, take out the baking pan you prepared earlier and pour the batter into it. Then put it into the oven and let it bake for about 20-25 minutes. The cake will be ready when the toothpick comes out clean from the center of the cake. Then take it out and leave it to cool. If you are not planning to finish the cake, then you can keep it in the fridge for a few day as long it is hold in an air tight container.