# Components:
→ Crust and Filling
01 - 1 cup rolled oats
02 - 1/2 cup all-purpose flour
03 - 1/3 cup light brown sugar
04 - 1/2 teaspoon ground cinnamon
05 - 1/4 teaspoon salt
06 - 1/3 cup unsalted butter, melted
07 - 2 medium apples, peeled, cored, and diced
08 - 1 tablespoon lemon juice
→ Topping
09 - 1/2 cup rolled oats
10 - 1/4 cup all-purpose flour
11 - 1/4 cup light brown sugar
12 - 1/2 teaspoon ground cinnamon
13 - 1/4 cup unsalted butter, cold and cubed
# Method:
01 - Preheat oven to 350°F (175°C) and grease a 12-cup muffin pan.
02 - In a medium bowl, combine 1 cup oats, 1/2 cup flour, 1/3 cup brown sugar, 1/2 teaspoon cinnamon, and 1/4 teaspoon salt. Stir in melted butter until evenly moistened.
03 - Divide the oat mixture evenly among muffin cups. Firmly press mixture into the base and halfway up the sides to create a well.
04 - In a separate bowl, toss diced apples with lemon juice until coated. Spoon a generous amount into the center of each oat cup.
05 - In another bowl, combine 1/2 cup oats, 1/4 cup flour, 1/4 cup brown sugar, and 1/2 teaspoon cinnamon. Add cold butter cubes and mix until crumbs are formed.
06 - Evenly distribute crumble mixture over apples. Bake for 22-25 minutes, or until topping is golden and apples are tender.
07 - Allow crumble cups to cool in pan for 10 minutes, then carefully remove and serve warm or at room temperature.
