Easy Yellow Squash Casserole


An easy recipe for yellow squash casserole, baked with onion, cream of mushroom soup, mayonnaise, and Cheddar cheese.

Easy Yellow Squash Casserole
Prep Time:
10 mins
Cook Time:
45 mins
Total Time:
55 mins
10 servings


  • nonstick cooking spray

  • 3 pounds yellow squash, sliced

  • 1 (10.5 ounce) can condensed cream of mushroom soup

  • 1 (8 ounce) package shredded sharp Cheddar cheese

  • 1 cup mayonnaise

  • ½ cup chopped sweet onions

  • 1 large egg

  • 1 teaspoon salt

  • ½ teaspoon ground black pepper


  1. Preheat the oven to 350 degrees F (175 degrees C). Spray a casserole dish with cooking spray.

  2. Combine yellow squash, cream of mushroom soup, Cheddar cheese, mayonnaise, onion, egg, salt, and pepper in a bowl. Mix until well combined and transfer to the casserole dish and cover with foil.

  3. Bake in the preheated oven until cooked through and bubbly, about 45 minutes.

Cook's Note:

I used Vidalia(R) onions in this recipe.

Nutrition Facts (per serving)

310 Calories
28g Fat
9g Carbs
8g Protein
Nutrition Facts
Servings Per Recipe 10
Calories 310
% Daily Value *
Total Fat 28g 35%
Saturated Fat 8g 40%
Cholesterol 51mg 17%
Sodium 699mg 30%
Total Carbohydrate 9g 3%
Dietary Fiber 3g 10%
Total Sugars 1g
Protein 8g
Vitamin C 12mg 60%
Calcium 200mg 15%
Iron 1mg 7%
Potassium 351mg 7%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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