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Chicken & Mushroom Casserole

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Submitted by VARU

Discover this easy chicken and mushroom casserole recipe with white wine marinade and creamy gravy, perfect for beginner cooks seeking simple baked chicken dinners for family meals or meal prep ideas with mushrooms.

YIELD

8 servings

PREP

20 min

COOK

90 min

READY

8 hrs

Get ready to cozy up with this hearty Chicken and Mushroom Casserole, where tender chicken soaks up a bold marinade of white wine and zesty Italian dressing, then bakes into a savory masterpiece topped with rich gravy.

It’s the ultimate comfort food fix for chilly nights, pulling from classic flavors that scream “easy weeknight dinner” while delivering that slow-cooked depth without the fuss.

Think effortless elegance in a dish, perfect for feeding a crowd or meal-prepping leftovers that taste even better the next day.

Chef Tips

  • For foolproof tenderness, pat the chicken dry before marinating to help the flavors stick better and avoid a watery sauce.
  • If your gravy mixture looks too thin before baking, simmer it on the stovetop for 5 minutes to reduce and intensify the taste.
  • Test for doneness early: Ovens vary, so check at the 1-hour mark to prevent overcooking the chicken into dryness.
  • Fresh herbs like thyme or rosemary tossed in during marinating add an extra layer of aroma without complicating things.
  • Safety first: Never reuse the marinade directly on cooked food without boiling it first, but the reserved portion freezes beautifully for future BBQs.

Optional Variations

  • Veggie boost: Stir in sliced onions, bell peppers, or carrots during the marinate step for a one-dish meal that’s even more nutritious, ideal for “healthy chicken casserole recipes with vegetables."
  • Creamy twist: Swap one can of gravy for cream of mushroom soup to amp up the earthiness, great for “creamy mushroom chicken bake for weeknights."
  • Low-carb option: Skip the wine or use a dry substitute like chicken broth, and serve over cauliflower rice for “keto-friendly chicken mushroom casserole ideas."
  • Gluten-free hack: Ensure your gravy and dressing are certified gluten-free brands, turning this into “simple gluten-free chicken dinners for beginners."

Ingredients

4 1.8
POUNDS KG CHICKEN
1 453.6
POUND G MUSHROOMS
fresh
16 462.4
OUNCES ML/G SALAD DRESSING, ITALIAN
bottle
2 2
CLOVES X GARLIC *
6 1.4
CUPS L WHITE WINE *
42 4
OUNCES EACH CHICKEN GRAVY
4 x 10 1/2 ounce cans *

Directions

  1. Prep the mushrooms first: Give them a quick rinse under cool water, trim off any tough stems, and slice each in half for even cooking and better flavor absorption.
  2. In a large casserole dish (at least 9×13 inches to fit everything comfortably), add the chicken pieces, halved mushrooms, whole garlic cloves, white wine, and Italian dressing. Stir gently to combine and ensure everything’s coated.
  3. Cover the dish tightly with plastic wrap or a lid, and pop it in the fridge to marinate overnight (at least 8 hours). This step infuses the chicken with tangy, garlicky goodness, so don’t skip it for the best results.
  4. The next day, preheat your oven to 325°F (160°C). Remove the chicken and mushrooms from the marinade using a slotted spoon, and set them aside on a plate. Measure out 2 cups of the marinade and pour the rest into a sealable container for later use (see note below).
  5. Place the chicken and mushrooms back into the casserole dish. In a separate bowl, whisk together the 2 cups of reserved marinade and the cans of chicken gravy until smooth and well blended.
  6. Pour the gravy mixture evenly over the chicken and mushrooms in the dish, making sure everything gets a good coating.
  7. Bake uncovered for 1½ hours, or until the chicken is cooked through (internal temperature reaches 165°F) and the sauce is bubbly and thickened. Give it a gentle stir halfway through if the top starts browning too much.
  8. Let it rest for 5 minutes before serving hot over steamed rice, mashed potatoes, or flaky biscuits to soak up that luscious sauce.
* not incl. in nutrient facts Arrow up button

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Nutrition Facts

Serving Size 342g (12.1 oz)
Amount per Serving
Calories 612 49% from fat
 % Daily Value *
Total Fat 33g 51%
Saturated Fat 7g 36%
Trans Fat 0g
Cholesterol 202mg 67%
Sodium 1157mg 48%
Total Carbohydrate 3g 3%
Dietary Fiber 1g 2%
Sugars g
Protein 135g
Vitamin A 3% Vitamin C 2%
Calcium 4% Iron 19%
* based on a 2,000 calorie diet How is this calculated?
Trans-fat Free, Low Carb
 
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