Prepare cookie dough filling: whisk together the dry ingredients (flour, salt, baking soda) in a small bowl, set aside. use an electric mixer to stir together the butter, sugars, vanilla, milk and eggs. Stir in the dry ingredients and chocolate chips. form the dough into small balls. Place on a baking sheet and refrigerate until sold for about 30 mins.

Prepare the cupcakes: preheat the oven to 375°F. blend the flour the cocoa powder, the sugar the baking soda and salt, then add the oil, the egg and the water. mix until well combined.

Line a cupcake pan with 12 liners. divide the batter between the 12 cupcake liners. drop a ball of frozen chocolate chip cookie dough into the center of each cupcake.

bake the cupcakes for around 20 minutes. cool the cupcakes completely before adding the frosting.

Use an electric mixer to combine the butter and sugars until creamy, mix in the flour, the milk and the vanilla. Mix until all is well combined.

frost cupcakes with a piping bag and garnish with a sprinkle of chocolate chips.