1/4 cups plain flour
1 1/2 tsp baking powder
4 tbsp butter
3/4 cup sugar
1 egg
1 tsp vanilla extract
3/4 cup mashed banana (3-4 medium ripe bananas)
1/2 cup chopped pecans OR chocolate chips OR raisins OR blueberries
1/3 cup milk
Preheat the oven to 375F or 180C
Sift flour & baking powder in a bowl, set aside
With electric mixer, mix butter & sugar until pale in color.
Add egg & vanilla, beat until fluffy.
Mix in mashed banana.
Add pecans (or other optional ingredients)
With low speed mixer, add flour & milk alternatively.
Fill in the muffin cups - 2/3 full
bake 20-25 min.
Let cool 10 min, take off from the cups, cool 10 minutes.