Ingredients:

  • 24 oz (680g) frozen peach slices, unglazed
  • 1/4 cup (50g) granulated sugar
  • 2 tbsp (16g) cornstarch
  • 1/2 tsp (1g) ground cinnamon
  • 1 tbsp (15ml) lemon juice
  • 1 cup (90g) old-fashioned rolled oats
  • 1 cup (125g) all-purpose flour
  • 1 cup (200g) packed light brown sugar
  • 1/2 cup (113g) unsalted butter, cold and cubed
  • 1/2 tsp (3g) salt

Instructions:

  1. Toss the frozen peach slices in a medium bowl with granulated sugar, cornstarch, cinnamon, and lemon juice until evenly coated. Note: Don't thaw the peaches first; the cornstarch works best on the cold fruit.
  2. Pour the peach mixture into a 9x9 inch baking dish and spread into an even layer.
  3. In a large bowl, whisk together the rolled oats, all purpose flour, brown sugar, and salt.
  4. Add the cold, cubed butter to the dry ingredients.
  5. Use a pastry cutter or fork to work the butter in until the mixture resembles coarse crumbs with pea sized lumps. Note: Avoid overmixing or the topping will become a paste.
  6. Scatter the crumble topping evenly over the peaches, pressing down lightly.
  7. Bake in a preheated 375°F (190°C) oven for 40–45 minutes.
  8. Remove from oven until the fruit juices are bubbling thick and the topping is deep golden brown.