Ingredients
- 140g plain flour
- 140g butter, cut into small dice
- 85g soft brown sugar
- 50g porridge oats
- custard, to serve
- 1kg ripe plums (about 14), halved and stoned
- 1 tbsp soft brown sugar
- 1 tbsp plain flour
- 2 star anise
- 1 tsp ground cinnamon
- 1 tsp vanilla extract
- juice½ lemon
- 300g blackberries