Cheesy Hashbrown Casserole Recipe (2024)

5 from 9 votes

Course: Breakfast

Cuisine: American

Prep Time: 25 minutes minutes

Cook Time: 35 minutes minutes

Total Time: 1 hour hour

Author: Sam Merritt

• ▢ 30 oz (850 g) frozen hash browns thawed
• ▢ 4 strips bacon chopped
• ▢ 3 Tablespoon butter
• ▢ 1 (110 g) small onion diced (about 1 cup)
• ▢ ¼ cup (31 g) all-purpose flour
• ▢ 1 cup (235 ml) milk
• ▢ 1 ¼ cups reduced sodium chicken broth
• ▢ 1 teaspoon garlic powder
• ▢ ½ teaspoon onion powder
• ▢ ½ teaspoon ground mustard
• ▢ ½ teaspoon salt
• ▢ ½ teaspoon pepper
• ▢ 3 oz (85 g) cream cheese cut into pieces
• ▢ 3 cups (340 g) shredded sharp cheddar cheese divided
• ▢ 1 cup (115 g) shredded mozzarella
• ▢ ⅔ cup (160 g) sour cream
• ▢ 3 Tablespoons finely sliced green onions

• Preheat oven to 350F (175C) and lightly butter a casserole dish. Set aside.

• Place chopped (uncooked) bacon in a large pot or Dutch oven and cook over medium heat until crisp and cooked through. Remove bacon to a paper towel lined plate and drain all but about 1 ½ Tablespoons of grease.

  4 strips bacon

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• Add butter to the pot and allow it to melt. Add chopped onions and cook, stirring frequently until softened (3-5 minutes).

  3 Tablespoon butter, 1 (110 g) small onion

• Sprinkle flour over onion and whisk until smooth (should be like a paste).

  ¼ cup (31 g) all-purpose flour

• Gradually add milk while whisking. Add broth, garlic powder, onion powder, ground mustard, salt, and pepper and stir well. Bring to a boil.

  1 cup (235 ml) milk, 1 ¼ cups reduced sodium chicken broth, 1 teaspoon garlic powder, ½ teaspoon onion powder, ½ teaspoon ground mustard, ½ teaspoon salt, ½ teaspoon pepper

• Once mixture begins to boil, reduce heat, bring to a simmer, and stir frequently until thickened.

• Reduce heat to low and add cream cheese, 2 cups (226g) cheddar, mozzarella, and sour cream. Stir until cheeses are melted and mixture is smooth.

  3 oz (85 g) cream cheese, 3 cups (340 g) shredded sharp cheddar cheese, 1 cup (115 g) shredded mozzarella, ⅔ cup (160 g) sour cream

• Add hash browns, green onion, and cooked bacon pieces. Stir well and pour into prepared casserole dish, sprinkle evenly with remaining 1 cup (113g) cheddar cheese.

  30 oz (850 g) frozen hash browns, 3 Tablespoons finely sliced green onions

• Transfer to 350ºF (175ºC) oven and bake 35 minutes until heated through and cheese on top is melted.

To Make in Advance:Follow recipe instructions throughstep 8then cover tightly and refrigerate. Once you're ready to bake, remove the cover, allow it to sit at room temperature for 15-20 minutes, then bake according to recipe instructions.

To Freeze: Prepare casserole through step 8. Cover tightly (make sure it is airtight!) and freeze for up to 3 months. Thaw in the refrigerator overnight before baking and then bake according to recipe instructions.