Apple Crunch a la Mode

Ingridients of Apple Crunch a la Mode:

• 6 tart apples, peeled and thinly sliced
• 1 cup white sugar
• 1 cup cold water
• 1 tablespoon cornstarch
• 1 teaspoon vanilla extract
• 1 cup all-purpose flour
• 1 cup packed brown sugar
• 3/4 cup old-fashioned rolled oats
• 1/2 cup butter, melted
• 1/2 cup chopped walnuts
• 1/2 teaspoon ground cinnamon