1 ¼ cups - Sugar
½ cup - Vegetable oil
2 - Eggs
2 - Mashed bananas, very ripe
1 ½ teaspoons - Vanilla
1 cup - Buttermilk or sour milk
1 teaspoon - Baking soda
2 cups - Flour
1 teaspoon - Baking powder
1 cup - Finely chopped walnuts
Preparation:
Step 1 - Mix all the ingredients in the same bowl (using a wisk to make smooth)
Step 2 - Bake in a 9X13 inch pan (greased) at 350F for approx 35 minutes or until the top is brown and springs back when touched.
This cake is quite sweet and doesn't need frosting. You can make sour milk by putting a tablespoon of vinegar in a cup of milk (don't use old milk).