Put your slow cooker to work to cook onions! All you need is onions, a little butter, a slow cooker and some hands off time.

Cook Onions

If you've ever had caramelized onions, you know how absolutely amazing they are.  But making them on the stove top takes a really long time and a whole lot of baby-sitting.

Whenever I make my homemade chip dip, I need caramelized onions and standing there waiting for them to slowly cook is a pain.

A few years ago I read that you can cook onions down in a slow cooker.  I tried it once and it was a complete failure.  I wanted to make French onion soup so I wanted to try again.  This time it was a major success.

Onion Soup

I used a 3 pound bag of yellow onions.  Be careful if you buy a bag at the store. I bought a bag “fresh” and the onions had definitely seen better days.

Slice up the entire bag of onions somewhat thin.  Use a mandoline or a food processor to make this process quicker.

Put the onions in a large slow cooker. You'll want at 5 or 6 quart slow cooker.   Add the butter, olive and some salt and set the slow cooker to low.

Now, everything I've read online says you can walk away for 12 hours and have perfectly cooked onions. But my slow cooker runs a little hot so I stirred the onions every hour or so for the first 3 hours and then I went to bed.

I got a few burned onions, but not enough for it to be a problem.

Slow Cooker Caramelized Onions

After 12 hours of cooking, the onions should be a nice dark brown caramel color.  And your house probably smells amazing, too!

So now what? Store the onions in the refrigerator or freeze them for later to make French onion soup or yummy potato chip dip!

How to Cook Onions in A Slow Cooker

The Easy Way to Cook Onions in A Slow Cooker


Cook Time 12 hr 2017-06-22T00:00:00+00:00

Ingredients

  • 3 lbs onions, sliced
  • 2 Tablespoons butter
  • 2 Tablespoons olive oil
  • 1 teaspoon salt

Instructions

  1. Put the sliced onions in a 5 or 6 quart slow cooker. Add the butter, oil and salt and stir the onions a little. Put the top on the slow cooker and cook on low for 12 hours.
  2. Stir the onions every few hours or so to make sure they don't burn.
Nutrition Facts
Serving Size
Amount Per Serving As Served
Calories 987kcal Calories from fat 463
% Daily Value
Total Fat 51g 78%
Saturated Fat 19g 95%
Transfat 1g
Cholesterol 61mg 20%
Sodium 2384mg 99%
Carbohydrate 127g 42%
Dietary Fiber 23g 92%
Sugars 58g
Protein 15g

Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs:

Calories 2000
Total Fat Less than 65g
Sat Fat Less than 25g
Cholesterol Less than 300mg
Sodium Less than 2,400mg
Total Carbohydrate 300g
Dietary Fiber 25g
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