SHOPPING LIST: Apple and Blackberry Crumble with Proper Custard (4 portions) Meal Plan Occasions 1, New Year's Day dessert (serves 4) [ ] 3 large cooking apples (such as Bramley), about 700 g [ ] 150 g frozen blackberries [ ] 2 tbsp caster sugar, for the fruit [ ] 150 g plain flour [ ] 75 g cold butter, cubed [ ] 75 g light brown soft sugar [ ] 50 g porridge oats [ ] 500 ml whole milk, for the custard [ ] 4 egg yolks (keep the whites for another day) [ ] 50 g caster sugar, for the custard [ ] 1 tsp cornflour [ ] 1 tsp vanilla extract Apples: Bramleys are best, because they go soft and sharp. Eating apples work too if you cut the sugar.