When life is busy and my family needs a warm, comforting meal, this chicken French onion soup crock pot casserole is the recipe I lean on. The onions slowly caramelize into sweetness and the chicken turns fall-apart tender while the crock pot does all the work. By the time supper rolls around, all I have to do is fluff the rice and serve.

Slow cooker french onion soup mix chicken on a plates with rice and parsely on top. Fork with a piece of shredded chicken on a fork
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  Chicken French Onion Soup In The Crock Pot

This dinner has the comfort of French onion soup in a hands-off slow cooker casserole that truly feeds a crowd. The rice cooks right in the pot, so dinner is one and done, the chicken stays tender, and the sauce is creamy and savory with that onion-soup coziness. It’s flexible enough for dump and go crockpot chicken on busy days, but you can boost flavor with a quick onion sauté when you have a few extra minutes.

brown instant rice box, onion soup mix box, cream chicken and mushroom, pepper, garlic powder, onions and chicken breast

Ingredient Notes

Here’s a quick overview of the key ingredients for this recipe. For the full list of ingredients and exact measurements, be sure to check the recipe card at the bottom of this post.

  • Boneless skinless chicken breasts: Use about 2 pounds. Slice thick breasts in half. Thighs work too for extra tenderness and are great for French onion chicken thighs crock pot.
  • Minute Rice: Use instant rice only; regular long-grain won’t cook properly in this recipe. Brown or white Minute Rice both work.
  • Cream of chicken soup and Cream of mushroom soup: You could substitute cream of celery if someone avoids mushrooms.
    Onion: Finely diced yellow or sweet onion. For deeper flavor, see the quick sauté option below.
    Garlic powder: Simple pantry seasoning that blooms in the heat.
    Dry onion soup mix: This is the base of your chicken with French onion soup mix. I use Lipton Onion Soup Mix brand, but any store brand works.

How To Make Chicken French Onion Soup in a Crock Pot

In a bowl, whisk together the Minute Rice, diced onion, garlic powder, cream of chicken, cream of mushroom, water, and half of the onion soup mix. Add a tiny splash of Worcestershire if you like. The mixture should be creamy and spoonable.
Pro Tip: If using brown Minute Rice, the texture will be slightly heartier. That’s normal and delicious.

bowl with rice, 2 cans cream soups, pepper and a can of water near it

Spread half of the rice mixture in the slow cooker. Nestle the chicken on top. Spoon the remaining mixture over the chicken and sprinkle with the remaining dry onion soup mix.
Pro Tip: Keeping the chicken in a single layer helps it cook evenly and stay juicy.

slow cooker pan with 1/2 of the soup mixture and chicken breast on top
slow cooker pan with french onion soup mixture, chicken in it. Topped with dry french onion soup mix

Cook

Cover and cook on LOW 4 to 6 hours or HIGH 3 to 3 ½ hours, until the chicken reaches 165°F and the rice is tender.

Variations, Substitutions, and Recipe Tips

Flavor Enhancements
After cooking, serve with Swiss or Gruyère cheese for a melty French onion soup finish on top.

Add-In Options
Stir in mushrooms, peas, or green beans during the last 30 minutes so they stay bright and tender.

Simple Substitutions
Use chicken thighs for richer results, cream of celery in place of mushroom, or low-sodium broth instead of water.

Tips For Recipe Success
Use Minute Rice only, and taste before salting since mixes are salty. If your chicken is thick, slice the breasts in half into even-sized pieces so they cook evenly.

Slow cooker french onion soup mix chicken on a plates with rice and parsely on top. Fork with a piece of shredded chicken on a fork

Hospitality Challenge

On a busy weekday, start the crockpot in the morning and text a tired friend, single parent, or college student to join you for this French onion chicken when it’s ready. As you set the table, pray for them by name. Keep the table simple, offer a short blessing that points to Jesus who welcomes us, then ask a gentle question like, “How can I pray for you this week?” Send them home with leftovers and a handwritten note of encouragement.

Creamy Chicken Using Your Crock Pot Recipes

This chicken french onion soup crock pot casserole brings slow cooker ease and cozy flavor to your table. If you have any questions about making this recipe, feel free to ask in the comments below. I’m here to help!

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Slow cooker french onion soup mix chicken on a plates with rice and parsely on top. Fork with a piece of shredded chicken on a fork

Easy Chicken French Onion Soup Crock Pot Recipe

Prep Time: 10 minutes
Cook Time: 3 hours 30 minutes
Total Time: 3 hours 40 minutes
Servings: 6
This chicken french onion soup crock pot casserole turns tender chicken, sweet onions, and creamy sauce into a hands-off slow cooker dinner. Minute Rice cooks right in the pot for true one-dish ease. Add an optional Swiss or Gruyère topping for a classic French onion finish, and serve with salad or Texas toast for a family-friendly, crowd-pleasing meal.

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Ingredients
 

  • 2 cups Minute Rice, do not use regular rice
  • 10.5 ounces cream of chicken soup, canned
  • 10.5 ounces cream of mushroom soup, canned
  • 10.5 ounces water, fill one empty soup can with water
  • ½ cup onion, white or yellow, diced small
  • ½ teaspoon garlic powder
  • 1 ounce dry onion soup mix, 1 packet or about 2 tablespoons homemade mix, divided
  • 2 pounds chicken breast, boneless, skinless

Instructions
 

Prepare the Slow Cooker

  • Line your slow cooker with a slow cooker liner or lightly spray with cooking spray for easier cleanup.

Make the Creamy Mixture

  • In a medium bowl, combine Minute Rice, diced onion, garlic powder, cream of chicken soup, cream of mushroom soup, water, and half of the onion soup mix.
    2 cups Minute Rice, 10.5 ounces cream of chicken soup, 10.5 ounces cream of mushroom soup, 10.5 ounces water, ½ cup onion, ½ teaspoon garlic powder, 1 ounce dry onion soup mix
  • Whisk everything together until smooth and creamy.

Assemble the Casserole

  • Spread half of the mixture on the bottom of the slow cooker.
  • Place the chicken breasts on top.
    2 pounds chicken breast
  • Spread the remaining mixture over the chicken.
  • Sprinkle the reserved dry onion soup mix on top.

Cook

  • Cover and cook on high for about 3 ½ hours, or until the chicken reaches an internal temperature of 165°F.

Gina’s Notes and Tips

Tips & Variations

  • Minute Rice Only: Regular long-grain rice will not cook properly in this recipe.
  • Chicken Options: You can use boneless, skinless chicken thighs instead of breasts for juicier meat.
  • Add Veggies: For extra flavor and nutrition, stir in frozen peas, green beans, or mushrooms during the last 30 minutes of cooking
  • If you have 8 to 10 minutes, sauté the diced onion in a little butter in a skillet until golden and sweet, then stir into the rice mixture. This quick step adds a sweet buttery flavor to the dish. 
  • After cooking serve with Swiss or Gruyère cheese (optional) for a melty French onion soup finish on top.

Storage and Reheating

Room Temperature: Serve promptly, then refrigerate leftovers within 2 hours.
Fridge: Store in an airtight container up to 4 days.  
Freezer: Freeze cooked casserole for up to 3 months.  Thaw in the fridge before heating. 
Reheat: Warm in the microwave or place in a casserole dish and cover to heat in the oven.  
Serving: 1g, Calories: 376kcal, Carbohydrates: 34g, Protein: 38g, Fat: 8g, Saturated Fat: 2g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 3g, Trans Fat: 0.02g, Cholesterol: 103mg, Sodium: 1261mg, Potassium: 711mg, Fiber: 1g, Sugar: 1g, Vitamin A: 137IU, Vitamin C: 3mg, Calcium: 34mg, Iron: 3mg
Cuisine: American
Course: Main Dish
Author: Gina Dickson
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A plate of French onion chicken served with rice and garnished with chopped herbs sits in front of an onion. Text above reads "Slow Cooker French Onion Chicken Recipe – intentionalhospitality.com".