Banana Snack Cake

• 3 ½ cups flour
  
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1 teaspoon cinnamon
• ¼ teaspoon salt
• 1 cup butter or margarine (softened)
• 2 cups sugar
• 2 eggs
• 2 or 3 very ripe bananas
• 1 cup yogurt or one serving size container (any flavor is fine)
• 1 teaspoon vanilla
• Optional ingredients all, some or none: 1 cup mini chips, 1 cup chopped nuts, 1 cup raisins or craisins or other dried fruit.

Grease or spray a 9"x 13" cake pan. Preheat oven to 350°F. In medium size bowl mix dry ingredients. Set aside. In large bowl cream butter with sugar until smooth. Add eggs beating after each. Add bananas and yogurt. Mix until smooth. Add dry ingredients mixing only until just combined. Fold in optional ingredients if you wish to use it. Bake at 350°F for 40 - 50 minutes. Remove from oven when toothpick inserted in center comes out clean. Dust with powdered sugar or frost with icing.