Key Lime Pie Filling

Procedure

1. Beat the egg yolks lightly, then stir in the sweetened condensed milk.
2. Add the lime juice and beat until smooth.
3. Pour the filling into a baked pie shell or a graham cracker crumb pie shell. Refrigerate overnight. The acidity of the limes will partially coagulate the egg and milk proteins so the filling becomes firm.
4. Top w