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Chicken & Mushroom Biscuit Casserole

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Submitted by ismisunderstood

Discover the ultimate Chicken and Mushroom Biscuit Casserole recipe: easy creamy chicken bake with peas, cheddar, and flaky biscuit topping for busy weeknight dinners, beginner-friendly comfort food under 1 hour.

YIELD

4 servings

PREP

30 min

COOK

30 min

READY

60 min

Get ready to cozy up with a hearty, no-fuss casserole that turns humble ingredients into a bubbling, golden-topped delight.

This Chicken and Mushroom Biscuit Casserole wraps tender chicken and earthy mushrooms in a creamy sauce, topped with flaky biscuits that crisp up like magic in the oven. It’s the ultimate comfort food win for busy weeknights, perfect for feeding the family without breaking a sweat.

Chef Tips

  • For the creamiest texture, use full-fat mayonnaise and don’t skip stirring on the stovetop; it melds the flavors without separating in the oven.
  • If your biscuits brown too quickly, tent the dish with foil halfway through baking to prevent burning while the inside finishes cooking.
  • Taste the filling before baking and add a pinch of black pepper or garlic powder if you crave more zing; the soup provides plenty of salt already.
  • Fresh mushrooms? Sauté them first in a bit of butter to release moisture and avoid a soggy casserole.

Optional Variations

  • Veggie Boost: Swap peas for chopped broccoli or carrots to sneak in more greens, ideal for picky eaters.
  • Cheesy Twist: Mix in mozzarella or pepper jack instead of cheddar for a gooier pull or spicy kick.
  • Lightened Up: Use low-fat soup and mayo, plus turkey instead of chicken, for a healthier spin without losing that cozy vibe.
  • Gluten-Free: Opt for gluten-free biscuits and cream of chicken soup; the rest adapts easily.

Ingredients

2 473
CUPS ML CHICKEN MEAT, COOKED
shredded or chopped, rotisserie chicken works great for speed
1 1
CAN EACH CREAM OF CHICKEN SOUP
or cream of mushroom soup *
1 237
CUP ML GREEN PEAS
or green beans
5 144.5
OUNCES ML/G MUSHROOMS
up to 6 ounces, fresh, sauteed in butter, drained
1 237
CUP ML CHEDDAR CHEESE
mild or american, shredded
½ 118
CUP ML MAYONNAISE
1 1
TUBE EACH BUTTERMILK BISCUIT
refrigerated, package - 8 count of biscuits
2 30
TABLESPOONS ML BUTTER
melted
¼ 59
CUP ML BREAD CRUMBS
seasoned or crushed croutons of your choice, panko for extra crunch

Directions

  1. Preheat your oven to 375°F (190°C). Grab a medium saucepan and mix together the cooked chicken, cream of chicken soup, green peas, mushrooms, shredded cheddar cheese, and mayonnaise over medium heat.
  2. Stir everything until it’s well combined, hot, and starting to bubble gently, about 5-7 minutes. Keep an eye on it to avoid scorching the bottom; a wooden spoon helps scrape up any cheesy bits.
  3. Pour the hot mixture into an ungreased 2-quart baking dish , spreading it out evenly for uniform cooking.
  4. Open the tube of biscuits and separate them. Arrange the biscuits on top of the chicken mixture, spacing them slightly apart so they have room to puff up.
  5. Brush the tops of the biscuits with the melted butter, then sprinkle evenly with bread crumbs for that irresistible golden crust.
  6. Bake for 25-30 minutes, or until the biscuits are golden brown and the filling is bubbling around the edges. Let it rest for 5 minutes before serving to set up nicely.

This casserole serves up hot and hearty right from the oven, but leftovers store well in an airtight container in the fridge for up to 3 days. Reheat in the oven at 350°F to keep the biscuits crisp, or microwave individual portions for quick lunches.

* not incl. in nutrient facts Arrow up button

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Nutrition Facts

Serving Size 179g (6.3 oz)
Amount per Serving
Calories 500 59% from fat
 % Daily Value *
Total Fat 33g 50%
Saturated Fat 13g 64%
Trans Fat 0g
Cholesterol 115mg 38%
Sodium 733mg 31%
Total Carbohydrate 7g 7%
Dietary Fiber 2g 6%
Sugars g
Protein 61g
Vitamin A 20% Vitamin C 3%
Calcium 24% Iron 12%
* based on a 2,000 calorie diet How is this calculated?
Trans-fat Free
 
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