Peanut Butter and Banana Dog Cake. Recipe: 1 cup all purpose flour, 1 teaspoon baking soda, 1/2 teaspoon salt, 1/4 cup creamy all natural, peanut butter (microwave for 30-45 seconds), 1 large banana (smashed), 1/4 cup canola oil, 3/4 cup water, non stick pan spray. Bake on 375 for 40 min. Icing recipe: 1 cup white yogurt chips (microwave the yogurt chips for 2-3 minutes, stopping every 30 seconds to stir. Once chips are completely melted, pour it over the cake and spread with a spatula).