How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Potluck Chicken Casserole?

You need 16 ingredients. The key ingredients include: 1/2 cup chopped fresh mushrooms, 3 tablespoons finely chopped onion, 4 tablespoons butter, divided, 2 garlic cloves, minced, and more.

Is Potluck Chicken Casserole suitable as meat & poultry?

Yes, Potluck Chicken Casserole falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Potluck Chicken Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Potluck Chicken Casserole Recipe

Name: Potluck Chicken Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/2 cup chopped fresh mushrooms; 3 tablespoons finely chopped onion; 4 tablespoons butter, divided; 2 garlic cloves, minced; 3 tablespoons all-purpose flour; 1-1/4 cups milk; 3/4 cup mayonnaise; 4 cups cubed cooked chicken; 3 cups cooked long grain rice; 1 cup chopped celery; 1 cup frozen peas, thawed; 1 jar (2 ounces) diced pimientos, drained; 2 teaspoons lemon juice; 1 teaspoon salt; 1/2 teaspoon pepper; 3/4 cup coarsely crushed cornflakes

Try this homemade Potluck Chicken Casserole recipe the whole family will love. Made with fresh mushrooms, onion, butter and garlic. Easy step-by-step in…

This Potluck Chicken Casserole relies on simple, everyday ingredients such as chopped fresh mushrooms, finely chopped onion, butter, divided and garlic cloves, minced. It comes together quickly and makes 4 servings, at about 1541 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

1541

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

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Potluck Chicken Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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