How to Make Appetizing Mug cake (pineapple sponge)

Mug cake (pineapple sponge).

You can cook Mug cake (pineapple sponge) using 8 ingredients and 4 steps. Here is how you cook that.

Ingredients of Mug cake (pineapple sponge)

1. Prepare of soft butter.
2. Prepare of medium egg.
3. It's of semi-skimmed milk.
4. You need of vanilla extract.
5. You need of caster sugar.
6. It's of self-raising flour.
7. You need of salt.
8. It's of pineapple jam.

Mug cake (pineapple sponge) instructions

1. Place the butter in a 350ml mug and microwave for 10-20 seconds until melted.
2. Add the egg, milk and vanilla to the mug and beat in with a fork until combined. Add the sugar, flour and salt and beat again until smooth..
3. Cook in the microwave for 1 minute 25 seconds @600W, 1 minute 15 seconds @800W or 1 minute 5 seconds @1000W. Leave to cool..
4. Spoon the jam over the cake. Ready to serve!.