Cooking time: 22-25 minutes
Serves: makes 12 muffins
1 3/4 cup all purpose flour
3/4 cup white sugar
1 tsp baking powder
1/2 tsp salt
1/2 cup vegetable oil
1/2 cup yogurt
1 tsp vanilla
1 cup mashed banana
3/4 cup semi sweet chocolate chips
Mix flour, sugar, baking powder and salt in a large bowl.
Mix together egg, oil, yogurt and vanilla in a small bowl. And the egg mixture to the flour mixture and stir just until blended.
Fold in banana and chocolate chips.
Grease muffin tin and fill 2/3's full. Bake at 350 F for 22-25 minutes.