caramelized onions with fresh thyme

Slow Cooker Caramelized Onions

  • Author: Dan
  • Prep Time: 5 minutes
  • Cook Time: 8 hours
  • Total Time: 8 hours 5 minutes
  • Yield: 12 servings 1x

These slow cooker, sweet caramelized onions are the tastiest condiment for almost anything! Use them as a topping for burgers, sandwiches, chicken and so much more!



  • 3 pounds yellow onions, peeled, cut in half and sliced thin
  • 3 tablespoons butter
  • 1 tablespoon Worcestershire sauce
  • 1 tablespoon brown sugar
  • 23 teaspoons kosher salt
  • 3 tablespoons fresh thyme, chopped (optional)
  • Fresh black pepper to taste


  1. Add all the ingredients to a large slow cooker.
  2. Stir and set on low for 8 hours, stirring a few times in between cooking.
  • Category: Side dish
  • Method: Slow cooker
  • Cuisine: American

Keywords: mantitlement, caramelized onions, slow cooker onions, hamburger topping, how to make caramelized onions, caramelized onions recipe