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Slow Cooker Caramelized Onions and Peppers

4.4(30)

Buttery and full of flavor, these slow cooker caramelized onions and peppers are a fantastic addition to any meal! And your crockpot does all the work. Gluten free and vegetarian with dairy free / vegan option.

by Ashley / Cook Nourish Bliss·published 2019-07-26

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ItalianSide Dish

Servings

Total time

6h 40m

prep 10 min

Calories / serving

120 kcal

Ingredients (6)

serves

2 large yellow onions, thinly slicedonion
1 medium yellow bell pepper, thinly slicedbell-pepper
1 medium red bell pepper, thinly slicedbell-pepper
1 medium orange bell pepper, thinly slicedbell-pepper
5 tablespoons unsalted butter or dairy free butter, meltedbutter
½ teaspoon saltsalt

Instructions (5 steps)

01Add the onions and peppers to your crockpot, then drizzle with the butter and sprinkle with the salt. Toss to combine.
02Turn on your crockpot to high, cover and let cook for 1 hour.
03After the first hour, give the mixture a good stir. Place a double layer of paper towels under the lid (which will help to absorb some of the released moisture - you’ll want to replace this layer about 2 to 3 times during the cooking process).
04Continue to cook on high for about 5 to 6 additional hours, stirring about every 40 to 45 minutes. You want the onions to be a caramel color and the peppers to be nice and tender and so soft. Toward the end of the cooking time, keep a closer eye on the crockpot (you don’t want to let the onions / peppers burn and may need to stir them more often).

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Rich recipe — supports nutrition-aware planning.