Home › Dessert › Treacle Sponge Cake in a Mug Treacle Sponge Cake in a Mug RECIPE BY Guest Contributor A delicious sticky sponge PREP 10 mins COOK 3 mins TOTAL 13 mins YIELD 1 JUMP TO RECIPE SHARE Share on Facebook Share on Flipboard Share on Pinterest Share via Email Ingredients50g margarine50g sugar50g self raising flour1 egg2 table spoons of golden syrupInstructionsStep 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. Share: Share on Facebook Share on Flipboard Share on Pinterest Share via Email