Ingredients for 12 muffins
1 cup all purpose flour
1/2 cup sugar
1/2 tsp baking powder
1/4 tsp baking soda
1/4 tsp salt
2 tbsp vegetable oil
1 1/2 tsp instant espresso powder
2 tbsp egg (1/2 large, beaten egg)
1/2 cup milk
1/2 tsp vanilla extract
1/3 cup chocolate chips
Read the Instructions here