In blender add:

2 eggs
3 bananas
1 tbsp. lemon juice
2 tbsp. sour cream
1 stick butter, softened
1 c. sugar

Mix above ingredients into:

2 c. flour
1 tsp. baking powder
1/2 tsp. baking soda
1/2 c. nuts

Mix all together and bake at 350 degrees until tested done.