Lemon Freeze
["1 (15 oz.) can evaporated milk, chilled", "1 c. sugar", "1/4 c. lemon juice", "1/4 tsp. lemon extract", "2 drops yellow food coloring"]
["Line 9 x 9-inch pan with graham cracker crumbs.", "Whip well chilled evaporated milk until thick.", "Add sugar, lemon juice, lemon extract and yellow food coloring.", "Freeze.", "Cut in squares to serve.", "Garnish as desired."]
["milk", "sugar", "lemon juice", "lemon extract", "coloring"]