Ingredients:
- 6 cups (900g) fresh peaches, peeled and sliced
- 2 tbsp (30ml) fresh lemon juice
- 1/2 cup (100g) granulated sugar
- 2 tbsp (16g) cornstarch
- 1 tsp (2g) ground cinnamon
- 1/4 tsp (1.5g) salt
- 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) ground cinnamon
- 1/4 tsp (1.5g) salt
Instructions:
- Preheat oven to 375°F (190°C) and grease a 9-inch square baking dish.
- In a large bowl, whisk together granulated sugar, cornstarch, cinnamon, and salt.
- Add sliced peaches and lemon juice to the bowl; stir until the peaches are evenly coated and the mixture is slightly cloudy.
- Transfer the peach mixture to the baking dish and spread evenly.
- In a medium bowl, combine rolled oats, all-purpose flour, brown sugar, cinnamon, and salt.
- Cut in the cold, cubed butter using a pastry cutter or fingertips until the mixture resembles coarse crumbs with pea-sized lumps.
- Scatter the oat topping evenly over the peaches, pressing down very lightly.
- Bake for 35 minutes until the filling is bubbling and the topping is golden brown.