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Twice Baked Mashed Potato Casserole

A creamy and cheesy casserole with a crunchy breadcrumb topping that transforms humble mashed potatoes into a comforting main dish.
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Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Servings: 6 servings
Course: Comfort Food, Main Course
Cuisine: American
Calories: 320
Ingredients Method Notes

Ingredients
  

Base Ingredients
  • 4 cups mashed potatoes (plain or pre-made)
  • 1 cup shredded cheddar cheese
  • 1/2 cup sour cream
  • 1/4 cup milk
  • 1/2 cup cooked chicken, crumbled (substituting for bacon) Can substitute with cooked turkey or omit for a vegetarian version.
  • 1/4 cup chopped green onions
  • Salt and pepper to taste Essential for flavor.
Topping
  • 1/2 cup breadcrumbs

Method
 

Preparation
  1. Preheat your oven to 350°F (175°C).
  2. In a large mixing bowl, combine the mashed potatoes, sour cream, milk, and season generously with salt and pepper. Mix until creamy and smooth.
  3. Fold in the shredded cheddar cheese, crumbled cooked chicken, and chopped green onions, ensuring everything is well-distributed.
  4. Spoon the mashed potato mixture into a greased 9x13-inch baking dish or any casserole dish of your choice.
  5. Sprinkle the breadcrumbs evenly across the top. Optionally, drizzle with olive oil or melted butter.
Baking
  1. Place the casserole in the preheated oven and bake for 30-40 minutes or until the top is golden brown and crispy.
  2. Let it cool slightly before serving.

Notes

Store leftovers in an airtight container in the refrigerator for 3-4 days, or freeze for up to 2 months. Reheat in the oven at 350°F until warmed through.