Aunt SylviaS Chocolate Sauce

Ingredients
- 3 sq unsweetened chocolate
- 1 12 c sugar
- pinch of salt
- 116 tsp cream of tartar
- 1 can evaporated milk
Directions
- Bring to a boil and boil one minute
- Stir continuously
- Beat it off the stove one more minute
- Add 1 teaspoon vanilla