Juicy Apple Crisp

Ingredients

• 1/2 cup regular oats
• 1/3 cup brown sugar
• 1 tablespoon flour
• 1 1/2 tablespoons butter, melted
• 1 tablespoon apple juice concentrate, thawed
• 1/2 teaspoon cinnamon plus an additional 1/2 teaspoon for cornstarch mixture
• 2 tablespoons sugar
• 1 tablespoon cornstarch
• 1/8 teaspoon salt
• 8 cups Granny Smith apples, peeled and sliced
• 1/4 cup apple juice concentrate, thawed and undiluted
• 2 tablespoons water
• vanilla ice cream