My Mama'S Custard - cooking recipe

Ingredients

1 c. sugar
6 Tbsp. flour
1/4 tsp. salt
2 egg yolks, beaten
2 c. milk
1 tsp. vanilla
2 tsp. butter

Preparation

Sift sugar, flour and salt together.
Add to egg yolks.
Add milk gradually.
Cook over boiling water until thickened, stirring constantly.
Add vanilla and butter.
Then cool.