Western desserts - Apple Crumble

Recipe Ingredients:

5 apples.

2 tablespoons brown or white sugar.

1 tablespoon cinnamon.

1 tablespoon lemon juice.

1 teaspoon vanilla extract.

Crumble Topping Ingredients:

1 1/2 cups flour.

1/2 cup rolled oats.

200 grams butter.

1 teaspoon cinnamon.