- STEP 1
Pre-heat steam oven to 160degC and line a muffin tray with 12 muffin cases
- STEP 2
Place butter and chocolate in a large bowl, set over a pan of simmering water and stir until both melt.
- STEP 3
Remove from the heat and stir in the sugar and hot water. Sift the flour and cocoa and then stir into the mixture. Beat in the eggs one at a time.
- STEP 4
Fold in chocolate chunks keeping some aside to decorate top. Pour mixture into the muffin cases and sprinkle remaining chocolate chunks over the tops.
- STEP 5
Bake in the centre of the oven for 10-15 minutes depending on how gooey you like the centres. Leave to cool in the tin for 10 minutes before removing.
- STEP 6
Dust with icing sugar and serve with cream or ice-cream.