Blueberry filling

Dash fruit juice
1 level tablespoon flour
1 heaped tablespoon icing sugar
A few drops vanilla essence
1 punnet blueberries

Cream first four ingredients, then add blueberries. Microwave on high for 1 ½ minutes, stir, then cook for another 1 ½ minutes. Leave to cool.

Great in cakes, with or without cream.