chocolate chip pancakes

Ingredients:

1/2 cup milk
2 tablespoons white vinegar
1 cup all-purpose flour
4 tablespoons white sugar
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
3 tbsp coco powder
1/2 cup chocolate chips
1 egg
2 tablespoons butter and
melted butter for frying. 

 Method:

Combine milk with vinegar in a medium bowl and set aside for 5 minutes to "sour".
Combine flour, sugar, baking powder, baking soda, coco powder and salt in a large mixing bowl. Whisk egg and butter into "soured" milk. Pour the flour mixture into the wet ingredients and whisk until lumps are gone. then mix in chocolate chips
Heat a large skillet over medium heat, and coat with melted butter. Pour 1/4 cupfuls of batter onto the skillet, and cook until bubbles appear on the surface. Flip with a spatula, and cook until browned on the other side.