1/4 c. corn starch
1/3 c. sugar
2 c. milk
2 eggs, slightly beaten
2 tbsp. butter
1 tsp. vanilla

Combine cornstarch and sugar in 2-quart microwave safe mixing bowl. Using a whisk, add milk gradually to cornstarch and sugar mix. Place mixture in microwave. Microwave on high for 5 to 7 minutes or until bubbly and thick, stirring after 2 minute intervals. Beat 1/2 of the hot mixture into the slightly beaten eggs. Beat this mixture into the remaining hot mixture. Microwave on high for 1 1/2 to 2 1/2 minutes until thickened and heated throughout, stirring after every 45 seconds of cooking. With whisk, stir in butter and vanilla. Pour mixture in equal amounts into 4 dishes. Cover and refrigerate.