Preheat the oven

• Preheat the oven to 180 °C.
• Line a muffin pan with paper cases.

Mix the dry ingredients

• Combine the flour, cocoa powder, baking powder, baking soda, salt and sugar in a bowl.

Whisk the wet ingredients

• Whisk the eggs with the milk, oil and vanilla extract until smooth.

Make the batter

• Pour the wet ingredients into the dry ones and fold until just combined.
• Fold in the chocolate chunks.

Fill the muffin pan

• Divide the batter between the muffin cases, filling each about three quarters full.

Bake the muffins

• Bake until a skewer inserted in the centre comes out clean.

Cool and serve

• Let the muffins cool in the pan for a few minutes, then transfer to a rack.