1 c. sugar
3 tbsp. cornstarch
1 c. boiling water
1 tsp. vanilla
Pinch of salt
3 tbsp. cocoa
4 tbsp. butter

Mix sugar, cocoa, cornstarch, and salt. Add boiling water while stirring. Cook on medium heat until thickens.

Remove from heat. Add vanilla and butter. Serve with cake squares and ice cream.