Slow-Cooked Caramelized Onion Spread with Thyme

Ingredients

- 2 large yellow onions, thinly sliced
- 2 large red onions, thinly sliced
- 2 tablespoons kosher salt
- 2 tablespoons oil (vegetable or olive)
- 3 tablespoons unsalted butter, divided
- 3 sprigs fresh thyme
- 3 tablespoons balsamic vinegar

Instructions

1. Prepare the Onions
- Slice both the yellow and red onions into even, thin rings to ensure uniform cooking.

2. Set Up the Crock Pot
- In your Crock Pot, add 1 tablespoon of unsalted butter and the oil.
- Set the Crock Pot to low heat. This will allow the butter to melt gently, mixing with the oil to prevent burning.

3. Add Onions
- Add the sliced onions to the Crock Pot, mixing well to coat them evenly with the butter and oil mixture.

4. Season and Add Thyme
- Sprinkle 2 tablespoons of kosher salt over the onions.
- Distribute sprigs of fresh thyme evenly among the onions to infuse them with flavor as they cook.

5. Cook the Onions
- Cover the Crock Pot with the lid and allow the onions to cook on low heat for PT6H (6 hours). Stir the onions occasionally to ensure even cooking and prevent sticking.

6. Caramelize
- After 6 hours, remove the thyme sprigs.
- Add the remaining 2 tablespoons of unsalted butter and the balsamic vinegar to the onions. Stir well to fully incorporate.

7. Continue Cooking
- Set the Crock Pot to high heat, and cook uncovered for an additional PT1H (1 hour), stirring occasionally. This allows the onions to caramelize deeply.

8. Final Stir
- After the additional hour of cooking, give the onion mixture a final stir. The onions should be rich, golden-brown, and fragrant.

9. Serve
- Transfer the caramelized onion spread to a serving bowl. It can be served warm or at room temperature as a delicious snack on toasted bread or crackers.

Preparation & Cooking Times

- Preparation Time: PT15M
15 minutes
- Cooking Time: PT7H
7 hours
- Total Time: PT7H15M
7 hours 15 minutes

Type of Dish

- Snack

Keywords

- Caramelized onion
- Crock Pot onions
- Onion spread
- Slow-cooked snack
- Thyme infused
- Balsamic onion
- Easy slow-cooker snack
- Gourmet appetizers
- Simple crock pot recipe
- Flavorful onion snack

Recipe Yield

- Feeds 4 adults

Calories

- Total Calories: 730

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