Slow Cooker Cornish Hens With Grand Marnier Sauce

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This elegant but simple recipe for slow cooker Cornish hens is paired with a rich Grand Marnier sauce and can be easily adapted for the oven. It’s perfect for a special occasion or romantic dinner, but easy enough for any day!

Cornish Hens on a platter.

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What Are Cornish Game Hens?

While Cornish game hens sound exotic, they are not actually “game” at all. Cornish hens are really just young chickens. 

They generally weigh around two pounds, and are processed much younger than chickens – between four and six weeks. They are sometimes referred to as Rock Cornish Game Hens.

Are Cornish hens healthier than chicken?

Cornish hens are healthier than chicken because they have less fat and fewer calories. They are high in protein and B12. 

Close up of Cornish hens on a white plate garnished with lemons.

Where can you find Cornish game hens?

Although they sound like something you can only find on an autumn shoot at your English cousin’s estate, Cornish hens are found in the freezer section of most grocery stores. If you’ve never seen them there, it’s probably because you didn’t notice them! You can even find them at big box stores like Costco.

How much does one Cornish hen serve?

This is entirely subjective. Some recipes call for one hen per person, and some suggest one for every two people. That will depend on how hungry you and your guests are, or how many sides you have for the Cornish hens. 

My family of four, all adults, split two hens between the four of us.

How to Cook Cornish Hens in Slow Cooker

Preparing the game hens is similar to preparing a whole roasting chicken. They are already pretty clean, with the giblets usually removed. Simply remove the packaging and pat them dry.

Patting the cornish hen dry with a paper towel.

Season well with salt and black pepper. Stuff the cavity with fresh sage and thyme for extra flavor. Split the birds down the back and flatten them out. Put them in the slow cooker, breast side down. 

Mix the zest and juice of one orange, soy sauce, garlic, honey, brown sugar, and salt together and pour over the Cornish game hens in the crock pot.

Sauce ingredients for slow cooker Cornish hens.

Cook on high for 1 1/2 hours. Flip birds and continue cooking an additional 1 1/2 hours.

This Cornish hen crock pot recipe can be easily adapted to the oven, and I’ve included instructions for both in the recipe card below. Cooking in the oven takes less time than the slow cooker. But cooking crockpot cornish hens frees up oven space if you’re preparing other dishes.

How to Make the Grand Marnier Sauce

The Cornish hen cooking liquid can be transformed into a glossy and delicious Grand Marnier sauce! 

Strain the cooking juices into a saucepan, removing any bits of herbs or skin. Heat over a medium heat until the sauce is reduced by half and is about as thick as maple syrup. 

Remove the sauce from the heat and whisk in 2 Tablespoons Grand Marnier and 4 Tablespoons butter. Spoon or pour sauce over the birds just before serving.

Straining the juices into a saucepan.

Recommended Sides for Cornish Hens

I love to serve these slow cooker Cornish hens with Cranberry Pecan Wild Rice, which has a wonderful autumn feeling. Brussels sprouts are a classic vegetable for the fall. 

Pear and Gorgonzola Salad with Candied Pecans is elegant and seasonal. 

My favorite super easy dessert for entertaining is Lemon Posset. 

I hope you enjoy this easy and elegant slow cooker Cornish hen recipe!

Sauce pouring over cooked Cornish hens.

This post was originally posted on December 17th, 2011 and has been updated to contain nutritional information.

Game Hens on a platter

Cornish Game Hen with Grand Marnier Sauce

Cynthia
Slow-cooker Cornish game hens with Grand Marnier Sauce. This easy recipe for Cornish Game Hens can be prepared in the slow cooker or roasted in the oven.
5 from 8 votes
Prep Time 10 minutes
Cook Time 3 hours
Total Time 3 hours 10 minutes
Course Entree
Cuisine British
Servings 4
Calories 644 kcal

Ingredients
  

Grand Marnier Sauce

  • 4 Tablespoons butter
  • 2 Tablespoons Grand Marnier divided

Instructions
 

Roasted Game Hens

  • Pre-heat oven to 425 degrees F.
  • Mix zest and juice of one orange, soy sauce, garlic, honey, brown sugar, and salt together in a bowl.
    Sauce ingredients for game hens
  • Pat dry the game hens, season with salt and pepper. Stuff the cavities with fresh sage and thyme leaves. Tie or truss legs together.
    Game hens with sage
  • Place game hens in a small roasting pan. Pour sauce over the hens and cover. Roast at 425 F. for 20 minutes.
    Pouring sauce over the hens
  • Reduce heat to 350 F. and continue roasting an additional 60 minutes or until thermometer inserted in thickest part of leg reaches 160 F. See below to finish the sauce.

Game Hens in the Slow-Cooker or Crock-Pot

  • Mix zest and juice of one orange, soy sauce, garlic, honey, brown sugar, and salt together in the slow cooker.
  • Split the birds down the back and flatten them out and put in slow cooker, breast side down.
  • Cook on high for 1 1/2 hours. Flip birds and continue cooking an additional 1 1/2 hours.

For the Grand Marnier Sauce

  • Remove birds from crock pot or roasting pan and strain the juices.
    Strain the juices
  • Heat the remaining juice/marinade over a medium heat until reduced by half and slightly thicker. This will depend on how much liquid you have left. There will be more liquid if you cooked the birds in a slow cooker. You want the sauce to be about as thick as maple syrup. Remove pan from heat.
    grand marnier sauce
  • Finish sauce by whisking in 4 tablespoons butter and 2 tablespoons of Grand Mariner. It will be glossy and coat the back of a spoon
  • Finish birds by browning skin under broiler for a couple of minutes until the skin in golden brown.
  • Spoon some sauce over each bird.
    Game hens with sauce

Nutrition

Serving: 1servingCalories: 644kcalCarbohydrates: 19gProtein: 41gFat: 43gSaturated Fat: 16gPolyunsaturated Fat: 7gMonounsaturated Fat: 17gTrans Fat: 0.5gCholesterol: 257mgSodium: 1525mgPotassium: 647mgFiber: 1gSugar: 17gVitamin A: 667IUVitamin C: 19mgCalcium: 50mgIron: 2mg
Tried this recipe?Let us know how it was!
Slow cooker Cornish hens with Grand Marnier sauce on plate with cranberry pecan wild rice.

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49 Comments

  1. 5 stars
    I’m really enjoying your recipes. I made the Grand Marnier cornish game hens last night the sauce was delicious. I made the oven version since I don’t have a slow cooker currently. My wife is not a fan of chicken but she loved the dish with wild rice and Brussels sprouts.

  2. Cynthia, thanks for sharing this scrumptious sounding recipe! I’m making out my shopping list right now, can’t wait to fix this!! I just have a question about the 2 Tablespoons of Grand Marnier, are they both whisked into the 4 T of butter to finish the sauce? Thanks in advance 🙂

    1. I have the same question. Recipe calls for 2T, but then only says to whisk 1 in with butter to finish the sauce. I”ve read it over and over to figure out where the other 1T goes.

  3. Thank you for this beautiful recipe, I would like to know how much sage and how much thyme to stuff the birds.
    I have a couple in my freezer right now.
    I’m so looking forward to making these in the oven as my crock pot is not that big to fit 2 birds

    By the way, if I wanted to use the crock pot that I have, would I place both birds on top of each other?
    Would that work?
    Thank you

    1. My crockpot is a standard size and it can fit both side by side. If you think they’ll both fit on top of one another that would work. They get finished off under the broiler so the skin will crisp up.

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