Banana Bread

1 1/2 cups all purpose flour
1 1/2 teaspoons baking powder
1/4 teaspoon baking soda
1/4 teaspoon ground cinnamon
1/8 teaspoon salt
1 egg
3 medium bananas (mashed)
3/4 cup sugar
1/4 cup cooking oil
1/2 cup chopped walnut (optional)

1. Preheat the oven to 350. Grease the pan.
2. Combine the flour, baking soda, baking powder, cinnamon, salt.
3. Mix the bananas, egg, sugar, cooking oil.
4. Combine #2 & #3 then add the walnut.
5. Bake in 350 oven, 50-55 mins.