Cheesy Hash Brown Casserole

Cheesy Hash Brown Casserole

Cheesy Hash Brown Casserole comes straight from the 100 Days of Real Food book. It is a mixture of two of my favorite things…. potatoes and cheddar cheese!

This is super-simple to make, especially if you use frozen hashbrowns. And trust me, buy the frozen. I tried with homemade hash browns one time and it just didn’t work very well. I couldn’t get all of the moisture out of the potatoes and it was a runny mess. 

Cheesy Hash Brown Casserole

Cheesy Hash Brown Casserole is a great option if you need a recipe for a pot-luck style brunch. I made it for my Mothers of Preschoolers meeting on month and everyone was asking me for the recipe. 

I have this listed under breakfast since most people associate hash browns as a breakfast food. But we’ve made it for dinner a few times, and it works well for either. 


Step by Step

Preheat the oven to 350F and grease a square baking dish

In a large skillet, melt the butter over medium heat then cook the diced onion for about 2-3 minutes, just until it softens. Add the minced garlic and cook for another minute. 

Turn the heat down to medium-low and slowly whisk in the flour while stirring continuously. 

Cheesy Hash Brown Casserole

Whisk in the milk, salt, and pepper and stir until it thickens in the flour, about 2-3 minutes. 

Cheesy Hash Brown Casserole

Remove the pan from the heat and add the shredded cheddar cheese. Stir continuously until the cheese has all melted. 

Cheesy Hash Brown Casserole

Fold the hash browns into the cheese mixture. If your pan is big enough, you can do it in the pan. I prefer to mix it all in a large mixing bowl to make sure I have the space needed.

Transfer the mixture to the greased baking dish and smooth it out as much as possible. 

Cheesy Hash Brown Casserole

Bake the casserole for about 30-35 minutes, uncovered. The cheese should start to bubble but probably won’t be brown. 

Cheesy Hash Brown Casserole

If you want to brown the cheese, you can turn the broiler on for a few minutes. 

Cheesy Hash Brown Casserole
Cheesy Hash Brown Casserole
Cheesy Hash Brown Casserole

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Recipe

5 from 5 votes
Cheesy Hash Brown Casserole
Cheesy Hash Brown Casserole
Prep Time
15 mins
Cook Time
30 mins
Total Time
45 mins
 
Course: Breakfast
Keyword: casserole, cheese, potatoes
Servings: 8
Ingredients
  • 6 tbsp butter
  • 1/3 cup onion diced
  • 1 clove garlic minced
  • 4 tbsp whole-wheat flour
  • 1 1/2 cups milk
  • 1/2 tsp salt
  • pepper to taste
  • 2 cups mild cheddar cheese freshly grated
  • 1 pound hash browns frozen
Instructions
  1. Preheat oven to 350
  2. Grease a square baking dish
  3. In large pan, melt butter over medium heat
  4. Add the diced onion and cook until it softens, about 2-3 minutes
  5. Add the minced garlic for another minute
  6. Turn heat to medium-low and whisk in flour slowly, stirring continuously
  7. Whisk in milk, salt, and pepper until it thickens
  8. Turn off the heat and add the grated cheese until it melts
  9. Fold cheese mixture with hash browns until it is completely coated
  10. Transfer to the baking dish, making sure to really pat the mixture down into the pan
  11. Bake about 30-35 minutes uncovered
  12. Turn heat to brown for a few minutes to brown the top, if desired
Cheesy Hash Brown Casserole

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16 thoughts on “Cheesy Hash Brown Casserole

  1. girl you are KILLING me with this recipe! cheddar and potatoes- same for me! I love potatoes too much but this looks divine! I made one once that I lost the recipe of that was cream of mushroom based and sour cream infused- so good! But i also used cubed instead because i grabbed it by mistake!

  2. This looks perfect for brunch! So bright and comforting! I have guests coming over next week and I was wondering what to make, this will definitely make my life easier that day! Thank you for always providing so much food inspo!!

  3. You had me at “cheesy.” Lol. This looks so delicious! Perfect for a weekend breakfast. Can’t wait to eat the carby goodness!

  4. We have a recipe that is similar to this that’s been in my family for years and it is ALWAYS A huge hit at potlucks and events! I love that you cook up your onions first, I am going to start doing that with mine <3

  5. Yum! This looks so amazing. My kids will absolutely love it…can’t wait to make it!!

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