Heat oven to 180C/160C fan/gas 4. Tip the sugar, flour, cocoa and baking powder into a large bowl. Whisk together the eggs, vegetable oil and milk, then stir together with the dry ingredients until well combined. Add the milk chocolate chips. Place cupcake cases into a 12-hole bun tin. Divide the mixture between the cases, then bake for 20 mins until risen and cooked through. You can now leave to cool and store for up to 2 days in an airtight container.
Healthy chocolate brownies
Heat the oven to 190C/170C fan/gas 5 and line a shallow 23cm square baking tin with baking parchment. Tip the beans, cocoa, coffee granules, xylitol, vanilla, eggs and yogurt into a large bowl. Blitz using a hand blender until smooth. Or, do this in a food processor. Add the baking powder, then blitz again.