Cookie Dough Chocolate Cupcakes

Ingredients

• 95g plain flour
• 40g cocoa powder
• 1 tsp espresso powder
• 3/4 tsp baking powder
• 1/2 tsp baking soda
• 1/4 tsp salt
• 2 large eggs, room temp
• 100g granulated sugar
• 100g light brown sugar
• 80ml vegetable oil
• 2 tsp vanilla extract
• 120ml buttermilk
• 135g plain flour, baked
• 113g unsalted butter, room temp
• 110g light brown sugar
• 40g granulated sugar
• 1 1/2 tbsp whole milk
• 1 tsp vanilla
• 100g mini chocolate chips
• pinch of salt
• 227g unsalted butter, room temp
• 1/2 cup light brown sugar
• 1 tbsp whole milk, room temp
• 500g icing sugar
• 100g mini dark chocolate chips