Preheat the oven

• Preheat the oven to 175 °C and line a baking sheet with parchment paper.

Whisk butter and sugars

• In a large bowl, whisk together the melted butter, brown sugar and granulated sugar until combined.

Add egg and vanilla

• Add the egg and vanilla extract and mix until smooth.

Mix in the dry ingredients

• Add the flour, baking powder, baking soda and salt.
• Mix with a spatula until just combined.

Fold in the chocolate and M&Ms

• Fold in the chopped chocolate and Christmas M&Ms.

Chill the dough

• Cover the dough and chill in the fridge for at least 3 hours, or up to overnight.

Shape the cookies

• Scoop the dough into 12–14 equal portions and place them on the prepared baking sheet, leaving space between each cookie.
• Dip the tops of the cookies into Christmas M&Ms before baking.

Bake

• Bake for 9–12 minutes, until the edges are lightly golden and the centres are still slightly soft.

Cool

• Let the cookies cool on the baking sheet for 5–10 minutes before transferring to a cooling rack.