Marry Me Chicken Casserole (Printable)

Creamy chicken baked with spinach, sun-dried tomatoes, and a golden cracker crumb topping.

# What You’ll Need:

→ Chicken

01 - 3 cups cooked chicken breast, shredded or cubed (rotisserie or poached)

→ Vegetables

02 - 1 cup sun-dried tomatoes, drained and chopped
03 - 2 cups baby spinach, roughly chopped
04 - 1 small yellow onion, finely diced
05 - 3 cloves garlic, minced

→ Dairy

06 - 1 cup heavy cream
07 - 1 cup low-sodium chicken broth
08 - 1 cup shredded mozzarella cheese
09 - ½ cup grated Parmesan cheese
10 - 4 ounces cream cheese, softened

→ Pantry

11 - 1 teaspoon dried Italian herbs
12 - ½ teaspoon crushed red pepper flakes (optional)
13 - ½ teaspoon kosher salt
14 - ½ teaspoon freshly ground black pepper
15 - 2 tablespoons olive oil

→ Topping

16 - 1½ cups Ritz cracker crumbs (about 1 sleeve, crushed)
17 - 4 tablespoons unsalted butter, melted
18 - 2 tablespoons chopped fresh parsley (optional, for garnish)

# How-To:

01 - Preheat oven to 375°F. Lightly grease a 9x13-inch baking dish.
02 - Heat olive oil in a large skillet over medium heat. Sauté the onion for 3 minutes until softened, then add garlic and cook for an additional minute.
03 - Add sun-dried tomatoes and spinach to the skillet, cooking until the spinach wilts, about 2 minutes.
04 - Reduce the heat and stir in the cream cheese until fully melted and the mixture is smooth.
05 - Pour in heavy cream and chicken broth. Stir in Italian herbs, crushed red pepper flakes if using, salt, and pepper. Simmer gently for 2 minutes.
06 - Stir in mozzarella and Parmesan until fully melted and the sauce becomes creamy.
07 - Add the cooked chicken to the sauce mixture, stirring until evenly coated. Remove skillet from heat.
08 - Spread the chicken mixture evenly into the prepared baking dish.
09 - In a bowl, combine Ritz cracker crumbs and melted butter; sprinkle evenly over the casserole.
10 - Bake uncovered for 25 to 30 minutes until the casserole is hot, bubbly, and the topping is golden brown.
11 - Allow to rest for 5 minutes before serving. Optionally, sprinkle with fresh parsley.

# Expert Advice:

01 -
  • The creamy sauce clings to every bite of chicken without feeling heavy or one-note.
  • You can assemble it hours ahead and bake it right before guests arrive.
  • That buttery cracker topping adds crunch and a little nostalgic magic.
  • Leftovers taste even better the next day after the flavors have melded overnight.
02 -
  • Do not skip softening the cream cheese or you will end up with stubborn lumps no amount of stirring will fix.
  • Drain the sun-dried tomatoes well or the dish will be greasy and the flavors will taste muddled.
  • Let the casserole rest after baking so the sauce sets up and does not run all over the plate.
03 -
  • Use rotisserie chicken and this goes from prep to oven in under 20 minutes without sacrificing flavor.
  • Crush the Ritz crackers in a sealed bag with a rolling pin for the perfect texture, not too fine and not too chunky.
  • Taste the sauce before adding the chicken and adjust the salt, because the cheeses and crackers add plenty on their own.
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