Step 1

In a medium saucepan, combine brown sugar, cocoa powder, peanut butter, butter and half and half. Cook over medium-low heat, stirring constantly. Do not boil. Cook until all ingredients are combined and smooth.

Step 2

Remove saucepan from heat. Stir in vanilla.

Step 3

Cool sauce for 10 to 15 minutes, then pour into a container (like a glass jar). Cool completely. Cover. Store in fridge.

Step 4

Warm up and stir before use.

Step 5

The sauce will thicken as it cools. You can also store it where you keep caramel sauce and other dessert toppings.