step 1
Heat oven to 170C. Sieve the flour, cocoa and baking power into a bowl, add the sugar
step 2
In a jug whisk together the eggs, milk, oil and vanilla extract until it is full of bubbles
step 3
Add liquid to dry ingredients and mix together with an electric mixer until smooth, add the chocolate chips and fudge chunks and mix until they are distributed evenly
step 4
Spoon into muffin cases and place on tray in the oven. Cook for 20-30 mins or until firm to touch and tops have split (though they don't always split). Take out of oven and leave to stand on rack for 5-10 mins and then eat warm.