Step 1:
Put sugar, margarine, flour and egg in a mixing bowl. Step 2:
Mix until just smooth. Step 3:
Put a tablespoon of syrup into 2 mugs. Step 4:
Put half the mix into each mug on top of the syrup. Step 5:
Microwave for about a minute. Depends on your power of your microwave. You will know it is done when the mixture rises to nearly the top of the mug. Step 6:
Leave for about a minute and then with a knife loosen around the edge. Turn upside down onto a plate and shake a little. The sponge should come out. Step 7:
Serve with custard or ice-cream. 