Cheesy Hashbrown Casserole

✨ The Classic, Crowd-Pleasing Recipe ✨

Prep Time: 15 mins | Bake Time: 45-55 mins | Servings: 10-12

Ingredients

The Casserole:

• 1 (30-32 oz) bag frozen shredded hash browns, thawed (do not use cubed)
• ½ cup (1 stick / 113g) unsalted butter, melted
• 1 (10.5 oz) can cream of chicken soup (or cream of mushroom for vegetarian)
• 2 cups sour cream (full-fat preferred)
• 1 small yellow onion, finely diced (about 1 cup)
• 2 cups shredded sharp cheddar cheese (8 oz)
• 1 cup shredded Colby Jack or Monterey Jack cheese (4 oz)
• 1 tsp garlic powder
• ½ tsp black pepper
• ½ tsp paprika
• ¼ tsp cayenne pepper (optional, for subtle heat)

The Topping:

• 2 cups crushed cornflakes (or crushed Ritz crackers)
• 3 tbsp unsalted butter, melted
• 2 tbsp grated Parmesan cheese (optional)

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Instructions

1. Prep:

• Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish.
• Thaw hash browns: Spread on a baking sheet for 30 minutes at room temp, or place (unopened) bag in fridge overnight.

2. Make the Sauce:

• In a very large bowl, whisk together melted butter, cream soup, and sour cream until smooth.
• Stir in diced onion, all shredded cheeses, garlic powder, pepper, paprika, and cayenne (if using).

3. Combine:

• Add the thawed hash browns to the sauce mixture. Use a large spatula or your hands to gently mix until every shred is coated. Be careful not to break up the potatoes too much.

4. Assemble:

• Spread mixture evenly into prepared baking dish.

5. Add Topping:

• In a small bowl, combine crushed cornflakes with 3 tbsp melted butter and Parmesan (if using). Sprinkle evenly over the casserole.

6. Bake:

• Cover with foil and bake for 30 minutes.
• Remove foil and bake uncovered for 15-25 more minutes, until topping is golden brown and casserole is bubbly around edges.

7. Rest & Serve:

• Let stand 10 minutes before serving (it will set up nicely).

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🔬 The Science of Success: Why This Works

• Frozen Hash Browns: They’re par-cooked, so they absorb the creamy sauce without becoming mushy while baking up tender.
• Sour Cream + Soup: Creates a rich, tangy binder that doesn’t separate or dry out.
• Double Cheese: Sharp cheddar for flavor, Jack for meltability.
• Cornflake Topping: Stays crispy for hours, unlike breadcrumbs which can soften.

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📝 Pro-Tips from Grandmas & Potluck Veterans

1. Thaw Completely: If hash browns are icy, they’ll waterlog your casserole.
2. Hand-Mix Gently: A light touch preserves the shredded texture.
3. Make-Ahead Magic: Assemble (without topping) up to 24 hours ahead. Cover and refrigerate. Add topping just before baking. May need extra 5-10 minutes bake time.
4. Freezer-Friendly: Freeze unbaked casserole (without topping) for up to 3 months. Thaw overnight before baking.
5. Don’t Overbake: The center should be creamy, not dry. It will set as it cools.