1/3 c. oil
1/2 tsp. vanilla extract
3 eggs
3 lg. bananas (mashed with a fork)
2 1/3 c. Bisquick
1 c. sugar
1/2 c. chopped walnuts OR chocolate mini morsels

Heat oven to 350 degrees. Grease loaf pan (9x5x3 inch). In a large bowl, mix all dry ingredients, Bisquick and sugar; set aside. In a medium bowl, mix oil, vanilla and eggs together with a fork; add to dry ingredients and mix again for 1 minute using a fork. Add mashed bananas and walnuts or chocolate mini morsels; beat vigorously for 1 minute. Pour into loaf pan; bake until wooden pick inserted in center comes out clean (55 to 65 minutes). Remove from oven; run butter knife around sides of loaf in pan. Let stand for 5 minutes, then remove from pan.
 

Source: http://www.nancys-kitchen.com