Preheat the oven 350° F
Fold in 1 cup of chocolate chip. Pour the batter about 3/4 of the muffin cup liner. Sprinkle the rest of 1/4 cup chocolate chips on top of muffin batter.
Bake in the oven for 20 minutes, or until the toothpick come out clean.
The muffins stays fresh up to five days in room temperature, make sure keep it in an air tight container.