1/2 c. sugar
2 tbsp. cocoa
1 1/2 tbsp. cornstarch
Dash salt
1/2 c. milk
2 tbsp. butter
1 tsp. vanilla

Mix dry ingredients in glass bowl. Stir in milk. Cook in microwave on full power for 1 1/2 minutes. Stir halfway. Add butter. Cook 30 seconds or until thick. Stir in vanilla.