Crockpot Caramelized Onions

Prep time
Cook time
Total time
Make sweet, buttery Crockpot Caramelized Onions with just 2 ingredients in the slow cooker. A busy cook’s caramelized onion dream!
Serves: 6


  • 3-6 large sweet onions, sliced
  • 4 tablespoons butter, melted


  1. Place onions in the slow cooker.
  2. Pour melted butter on top.
  3. Cook on low heat for 8-10 hours, until onions are sweet, tender, and golden brown.