Ingredients
Crumble
- ⅔ cup old-fashioned oats
- ⅓ cup all-purpose flour
- ⅓ cup whole wheat flour
- ¼ cup dark brown sugar
- ½ teaspoon ground cinnamon
- ½ teaspoon kosher salt
- 6 tablespoons chilled unsalted butter
Filling and Assembly
- Unsalted butter (for pan)
- 1½ pound baking apples
- 12 ounces rhubarb
- ½ cup granulated sugar
- 1 tablespoon fresh lemon juice
- 1 teaspoon vanilla extract
Method
- Whisk oats, flours, sugar, cinnamon, salt…
- Preheat oven to 350°…
- Bake 35–50 minutes.
- Do Ahead: Unbaked crumble can be assembled 2 days ahead.
Source
Bon Appétit - Apple Rhubarb Crumble