Some dinners require skill, concentration, and several pans you'll resent washing later. Crockpot French onion chicken is not one of them. Five ingredients, about five minutes of prep, and your slow cooker turns chicken, onions, and a couple of pantry shortcuts into tender chicken smothered in rich French onion sauce and gooey melted Swiss cheese. Add some crusty French bread for dragging through the sauce and dinner is handled. Frankly, you've done enough today.
Table of Contents
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🥰 Is this crockpot French onion chicken recipe for you?
- Five ingredients. Chicken, onions, two pantry shortcuts, and plenty of melty Swiss cheese.
- About five minutes of prep. Toss everything in the slow cooker and get on with your day.
- Rich, cozy comfort food. You get all that savory French onion flavor plus plenty of sauce for crusty bread.
- Great for busy days. Dinner cooks quietly in the background without requiring supervision, encouragement, or a committee meeting.
🧾 Ingredients
A busy weeknight is not the time to prove you can caramelize onions from scratch. Keep it easy.
- Chicken breasts or thighs - Breasts keep things lean; thighs stay extra juicy and are considerably more forgiving if dinner gets delayed by somebody needing something.
- Condensed French onion soup - Gives us the rich, savory sauce without requiring an afternoon and a philosophical commitment to onions.
- Lipton onion soup mix - Yes, more onion. We have chosen a theme and intend to see it through.
- Onions - Sweet onions are my favorite here, but yellow or white work just fine. Red onions have not been invited.
- Swiss cheese - Melts into a glorious gooey blanket over the chicken. Gruyere works too if the grocery budget is feeling particularly French.
📖 Recipe
Slow Cooker French Onion Chicken
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- 2 pounds boneless skinless chicken breast, or thighs
- 1 cup onion, sliced
- 10.5 ounces French onion soup, condensed
- 1 ounce onion soup mix
- 1 cup Swiss cheese, shredded
Instructions
- Spray the inside of the slow cooker with non-stick cooking spray.
- Add the chicken in a single layer.
- Cover with the chopped onions.
- Sprinkle on the onion soup mix and add the condensed French onion soup.
- Cover and set slow cooker to low for 6-8 hours.
- 30 minutes before you're ready to serve sprinkle on the Swiss cheese. Put the cover back on and continue to cook until the cheese is melted and chicken shreds easily with a fork.
Notes
Nutrition Facts
Nutrition information is estimated as a courtesy. If using for medical purposes, please verify information using your own nutritional calculator. Percent Daily Values are based on a 2000 calorie diet.
This recipe has been tested several times. If you choose to use other ingredients, or change the technique in some way, the results may not be the same.
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🔪How to make French onion chicken
If you can layer ingredients in a crockpot, congratulations. You're wildly overqualified for this recipe.
- Chicken and onions go in the slow cooker. No browning, sautéing, or additional nonsense required.
- Pile on the onion soup mix and French onion soup. We have committed to onions. There will be no half-measures.
- Cook on LOW. Go live your life. The crockpot does not require emotional support.
- Add the Swiss cheese. Cover until melted, because we may be lazy but we are not barbarians.
Finally, if you've got an extra few minutes, transfer the cheese-topped chicken to an oven-safe dish or large skillet and broil it under high heat. This will give the cheese a toasty, golden-brown, bubbly finish.
😱 What can go wrong (and how to fix it)
Even a crockpot recipe can occasionally wake up and choose foolishness. Here's how to deal with it.
🧅 The sauce is too thin. Slow cookers hold onto moisture like family holds onto grudges. Remove the lid for the last 30 minutes, or thicken the sauce with a little cornstarch slurry.
🧅 The chicken is dry. Chicken breasts are less forgiving than thighs. Start checking them early, especially if they're on the smaller side, and pull them when they reach 165°F.
🧅 The cheese vanished into the sauce. Add it near the end and leave the lid on just long enough to melt it. We're looking for gooey cheese, not a missing-person investigation.
🧅 The sauce is too salty. Both condensed soup and onion soup mix bring plenty of salt to the party. Don't add any extra until you've tasted the finished dish.
🧅 Crockpot went on strike. Check out these crockpot substitutes you can use in a pinch.
🧊 Make French onion chicken into an easy freezer meal
Want to make future-you incredibly well organized with a dump and go crockpot dinner? Assemble the chicken, onions, onion soup mix, and condensed French onion soup in a freezer-safe bag. Freeze for up to 3 months.
Thaw overnight in the refrigerator, dump everything into the slow cooker, and cook as directed. Leave the Swiss cheese out of the freezer bag and add it during the last 30 minutes of cooking.
🍽️ Serve French onion chicken breasts with...
📚 More French onion main dish recipes
🏡 Crockpot French onion chicken is the kind of dinner I keep around because it asks almost nothing of me and still tastes like I made an effort. Add some bread to catch that oniony sauce, call everyone to the table, and accept compliments with the dignity they deserve. You don't have to mention the crockpot did most of the work.
Sherri Rochester says
Thank you for sharing this recipe. I love French onion soup in any meal, especially chicken. I do use chicken thighs, though. It is a texture thing for me. The combination of the French onion soup and the Swiss cheese is magic. I think that French onion soup should be moved from an ingredient to a seasoning, it is that good. I do like to plop a 1/2 block of cream cheese under the soup before slow cooking. Oh, I have used bone in chicken for this recipe and it is absolutely wonderful.
C.J. says
Putting this together today! Then tomorrow it can go into the crockpot while I’m in the hospital for heart valve replacement. At least 2 meals for the wife and friend turned brother! Thanks Marye!
Carol says
We enjoy French Onion Soup, i made a big batch every winter!! I must try this as the ingredients are simple plus using a crockpot, Life cannot get any better.
Shelia Hall says
this sounds tasty and very filling too
Nisa says
This is one of my favorites to make for company or taking to those that are sick. Always gets compliments. One thing I experimented with, and came out well, was to caramelize my onions (I always use more than recipe says) with rosemary on stove before I add to crockpot. So much flavor!