Leona'S Sugar Free Apple Pie
["1 (6 oz.) can unsweetened frozen apple juice concentrate", "2 rounded Tbsp. all-purpose flour", "1 tsp. cinnamon", "1/4 tsp. salt", "5 to 7 apples, peeled", "1 Tbsp. butter", "1 pie crust"]
["Combine apple juice, flour, cinnamon and salt.", "Stir over medium heat until thick and bubbly, about 3 to 5 minutes.", "Stir sliced apples into mixture and pour into unbaked pie crust.", "Bake at 450\u00b0 for 15 minutes.", "Reduce heat to 350\u00b0 and bake 30 minutes more."]
["apple juice concentrate", "flour", "cinnamon", "salt", "apples", "butter", "crust"]