Press the cookie dough into the muffin pan

• Divide the sugar cookie dough between the cups of the muffin pan.
• Press it down and make an indentation in the center of each cup with a small glass.

Make the brownie batter

• Whisk the egg, water and oil together in a bowl.
• Add the brownie mix and stir until smooth.

Fill the cookie cups

• Scoop the brownie batter into the center of each cookie cup.
• Scatter the M&M's over the top.

Bake

• Bake at 175 °C with a tray underneath to catch any drips.
• Let cool slightly before removing from the pan.

Serve

• Pop the cookie cups out of the pan.
• Serve warm with vanilla ice cream.