1. 1. Preheat the oven to 350°F (175°C).

2. 2. Peel and slice 6-8 apples and place them in a baking dish.

3. 3. In a bowl, mix 1/2 cup of sugar, 1/4 cup of flour, 1 teaspoon of cinnamon, and a pinch of salt. Sprinkle this mixture over the apples.

4. 4. In another bowl, combine 1 cup of oats, 1/2 cup of flour, 1/2 cup of brown sugar, and 1/2 cup of melted butter. Mix until crumbly.

5. 5. Spread the oat mixture over the apples in the baking dish.

6. 6. Bake for 40-45 minutes or until the top is golden brown and the apples are tender.

7. 7. Serve warm with a scoop of vanilla ice cream or whipped cream.