Cheesy Potato Casserole

4.23 from 248 votes

This easy potato casserole is a hit for the holidays and dinners with your family and friends. It's so easy to make and everyone loves it!

Prep Time10

Cook Time30

cooling time5

Total Time40

Course: Side Dish

Cuisine: American

Servings: people

Calories: 166kcal

Ingredients

3 Tablespoons Butter
1 medium Onion yellow onion; diced into ½" pieces
1 20 oz bag Shredded Potatoes frozen
1 10 oz can Cream of Mushroom Soup
1 cup Sour Cream full fat or lite
2 cups Shredded Cheese (Save ½ cup to sprinkle on the top before baking)
2 teaspoon Garlic Salt
1 cup Chicken Broth

Instructions

Preheat the oven to 350 degrees.
Spray the inside of a 9" x 13" baking dish with non-stick cooking spray.
In a skillet over medium heat, add the butter. Once melted, add the onion and cook, stirring frequently, until the onion lightly caramelizes - about 5 minutes. Set aside.
In a large mixing bowl, add the shredded potatoes, cream of mushroom soup, sour cream, 1 ½ cup shredded cheese, the cooked onions, garlic salt, and chicken broth. Stir until well mixed.
Spread the potato mixture into your prepared 9x13" baking dish and sprinkle the remaining ½ cup cheese evenly over the top.
Put in the oven and bake, uncovered, for 30-40 minutes or until the edges are bubbly and lightly golden brown. Remove from the oven, enjoy!

Video

Notes

Making Cheesy Potato Casserole In a Slow Cooker

You can also make this in a slow cooker which is nice for holidays or big gatherings when your oven is busy with other dishes. To make in a slow cooker, simply prepare the recipe according to the instructions.

Spray your slow cooker with non-stick cooking spray.
Prepare your ingredients and then add the uncooked ingredients to the slow cooker.
Sprinkle with cheese.
Cover and cook on low for 4-5 hours or until the potatoes are tender and the sauce is bubbly on the edges.

If you decide to double the recipe, simply add an extra hour to the slow cooking time.

Nutrition