Banana Nut Muffins Recipe

Ingredients

• 1.5 cups all-purpose flour
• 1.5 teaspoons baking powder
• 0.25 teaspoon baking soda
• 0.125 teaspoon salt
• 2 egg whites
• 1 cup mashed bananas
• 0.75 cup white sugar
• 3 tablespoons vegetable oil
• 1 teaspoon lemon zest
• 0.25 cup chopped walnuts