Let your slow cooker do all the work of making beautifully caramelized onions. Freeze what you don't use right away so you'll have caramelized onions ready in a snap for soups, burgers, omelets, pizzas, and more.
Preparation Time
10 mins
Cooking Time
10 hr
Total Time
10 hr 10 mins
Calories
71 Calories
Recipe Instructions
Step 1
Rub bottom and sides of slow cooker with 1/2 of the butter. Toss onions and salt with remaining butter in a bowl.
Step 2
Cook onions on Low until browned and sweet, about 10 hours.