1 c. butter
1 c. sugar
2 eggs
1/2 c. buttermilk
1 c. mashed banana
1 tsp. vanilla
2 c. flour
1 c. oatmeal
1 1/2 tsp. baking soda
1/2 tsp. salt
2/3 c. chocolate chips
1/2 c. chopped walnuts

Cream butter and sugar at medium speed. Add eggs at medium speed. Add bananas and vanilla. Mix. Add 1 cup flour, mix low speed. Add buttermilk and mix until blended.

Add remaining flour and soda and salt. Mix low speed until blended. Add oats, chocolate chips - stir by hand. Spread in 9 x 13 inch greased cake pan. Sprinkle nuts on top. Bake at 350 degrees for 30 to 33 minutes.