Step 1

Preheat oven to 350 degrees. Line a baking sheet with muffin liners and set side.

Step 2

In a bowl, whisk together the cocoa powder, flour, brown sugar, baking powder, baking soda, and salt.

Step 3

In a separate bowl, whisk together the buttermilk, eggs, vanilla, and food coloring. Add the wet ingredients to the dry ingredients and stir in melted butter. Stir the batter just until combined. Fold in chocolate chips.

Step 4

Divide the batter between the muffin tins and bake for 18-20 minutes or until a toothpick inserted comes out clean. Allow the muffins to cool completely before serving.