3 large egg yolks 1 (14-ounce) can sweetened condensed milk 1/2 cup lemon juice 1/8 teaspoon yellow food coloring (optional) 1 (8-inch) graham cracker pie crust
Preheat oven to 350*F.
In a medium bowl, beat egg yolks, sweetened condensed milk, lemon juice, and yellow food coloring.
Pour into a graham cracker pie crust and bake for 30 minutes. Cool.