Chocolate Breakfast Muffins
- 2/3 cup cocoa (I prefer dark)
- 2 cups flour
- 1-1/4 cups brown sugar
- 1 teaspoon baking powder
- 1 teaspoon baking soda
- 3/4 teaspoon salt
- 1 cup chocolate chips
- 2 large eggs
- 3/4 cups milk
- 2 teaspoons vanilla
- 2 teaspoons vinegar
- 1/2 cup melted butter