Easy Mornay Sauce

Ingredients

 * 4 tbsp butter
 * 4 tbsp flour
 * 2 cups hot milk
 * 3 egg yolks
 * ½ cup cheese, grated

Directions

 * 1) Melt butter in saucepan.
 * 2) Add in flour and stir 3 or 4 minutes until sauce is smooth.
 * 3) Then add milk, stirring constantly.
 * 4) While still stirring, add in egg yolks.
 * 5) Remove from heat and fold in cheese.