banana oatmeal cake

Ingredients

• CAKE:
• 1/3 cup butter or margarine, softened
• 1 1/2 cups granulated sugar
• 6 ounces container of greek cranberry fig yogurt, or your favorite flavor
• 3 medium over ripe bananas, mashed
• 2 large eggs
• 2 cups all purpose flour
• 1 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1 teaspoon vanilla extract
• 1 cup chopped walnuts
• 1 1/2 cups old fashioned oatmeal- more or less
• FROSTING:
• 1 - container of duncan hines creations starter frosting
• 1 - packet of duncan hines creations caramel add in