Pink Lemonade Pie

Ingredients

• 1 (6 ounce) can frozen pink lemonade, thawed
• 1 (14 ounce) can sweetened condensed milk
• 1 (8 ounce) can crushed pineapple, undrained
• 1 cup chopped walnuts
• Few drops red food coloring
• 1 (12 ounce) container frozen whipped topping, thawed
• 2 (9-inch) Graham crackers crusts or 1 Graham crust, in the bottom of a 13 x 9-inch baking pan