Banana Bundt Cake 1 (18.25 ounce) box yellow cake mix 1 (4 serving size) box instant vanilla pudding mix 3/4 cup vegetable oil 3/4 cup water 4 eggs 1 teaspoon vanilla 1 teaspoon butter extract 1/2 cup nuts, optional 2 mashed bananas Preheat oven to 350. In bowl, combine all ingredients. Beat with mixer for 4 to 6 minutes. Pour into greased and floured Bundt pan. Bake for 35 to 40 minutes.