Hot Fudge Sauce

• original recipe found here
• 
  
• 1 1/2 cups sugar
• 1 cup unsweetened cocoa powder
• 1 cup heavy cream, half and half or whole milk
• 1/2 cup butter
• 2 teaspoons vanilla extract
• 1/4 teaspoon salt

1. In a 2 quart saucepan, combine sugar, cocoa and milk, stirring with a whisk until completely combined and smooth. 
2. Turn heat on stove to medium and stirring occasionally, bring to a boil. 
3. Stir in butter and continue to boil until sauce thickens, about 5 minutes. 
4. Remove from heat, stir in vanilla and salt. Let cool for 5 minutes before serving over ice cream. Store in container in the refrigerator. To reheat, microwave for 30 seconds at a time until warm.