3-Ingredient Slow Cooker Sweetened Condensed Milk - cooking recipe

Ingredients

2 cups milk
2/3 cup white sugar
3 tablespoons butter
2 teaspoons vanilla extract (optional)

Preparation

Turn slow cooker on High. Mix milk and sugar together in the crock of the slow cooker.
Cook for 3 hours, stirring every 10 minutes in the last 30 minutes to prevent burning. Mix butter and vanilla extract into condensed milk and let cool.