Chocolate Sauce

• 1 cup sugar
• 3 T flour
• 3 T cocoa
• 1/4 t salt
• 1/2 cup cold water
• 2 1/2 cups boiling water
• Vanilla
• Butter

Mix dry ingredients together. Add cold water to make a paste, then add boiling water. Boil mixture and thicken; remove from heat. Add vanilla and butter. This is good on plain cake.