Banana chocolate chip muffins

Preheat oven to 400 degrees. Line 12 muffin tins with liners or spray with non-stick cooking spray.

Mix dry ingredients:
1 1/2 C flour
1/3 C sugar
1/4 tsp salt
1/2 tsp baking powder
1/4 tsp baking soda

Mix wet ingredients:
1/2 Cup unsalted butter, melted
1 large egg
1 C sour cream or plain yogurt
1 tsp vanilla
1 ripe banana, peeled and cut up
1/2 C semi sweet chocolate chips

Mix dry and wet ingredients together and spoon in 12 muffin tins almost to the top. Bake 20 minutes or until it comes clean with a toothpick.