Name: Banana cake
Prep time: 30 mins
Cook time: 30 mins
Yield: 20
Ingredients: 250 grams flour; 3 eggs; 4 ripe bananas; 80 grams sugar; 80 grams brown sugar; 125 milliliters vegetable oil; 1 teaspoon vanilla essence; 1 1/2 teaspoons baking powder; 80 grams walnuts, chopped