Nutty apple crumble

• Granny Smith↗900g g

  apples, peeled, cored and cut into chunks

• juice ½ lemon
• cinnamon↗½ tsp tsp
• plain flour↗4 tbsp tbsp
• unsalted chilled butter↗85g g

  cubed

• soft brown sugar↗85g g
• oats↗50g g
• chopped walnut25g g
• ice cream or crème fraîche

  to serve

Step-by-step instructions

1. 1

   Heat oven to 200C/180C fan/gas 6. In a bowl, mix the apples with the lemon juice, cinnamon, 1 tbsp of flour, 15g of butter and 1 tbsp of brown sugar. Place in a small glass baking dish, cover with cling film and cook in the microwave for 5 mins at 600W, or slightly less time if you have a higher wattage.

2. 2

   Meanwhile, rub the remaining flour, butter, sugar, oats and nuts with your fingers to a crumble-like but chunky texture.

3. 3

   Spoon the cooked apples into an ovenproof dish. Scatter over the crumble and bake in the oven for 20 mins until crisp. Serve with ice cream or crème fraîche.