1. Preheat & Prep
Preheat oven to 350°F (175°C).
Grease a 9x13-inch baking dish.
2. Mix the Casserole
In a large bowl, combine hash browns, ham, cheeses, onion, soup, sour cream, milk, melted butter, and seasonings. Mix well.
3. Add Topping (If Using)
In a small bowl, mix crushed cornflakes/crackers with melted butter. Sprinkle over casserole.
4. Bake to Golden Perfection
Bake uncovered for 45-55 minutes until bubbly and golden on top.
Let rest 5-10 minutes before serving.
Pro Tips for the Best Casserole
🔹 Thaw hash browns first to avoid excess moisture.
🔹 For extra crispiness, broil the last 2-3 minutes.
🔹 Make ahead – Assemble the night before, refrigerate, and bake in the morning.
🔹 Freezer-friendly – Bake, cool, then freeze for up to 1 month (reheat at 350°F).
3 Delicious Variations
Vegetarian – Swap ham for sautéed mushrooms & bell peppers.
Spicy Kick – Add diced jalapeños or hot sauce.
Breakfast Style – Crack a few eggs on top before baking.
Why This Casserole is a Winner
This dish is the ultimate comfort food—creamy, cheesy, and packed with flavor. The hash browns crisp up beautifully, while the ham adds a smoky richness. It’s a guaranteed crowd-pleaser, whether you serve it for breakfast, brunch, or dinner!
Warning: Leftovers are rare!
More Comforting Casseroles:
➡️ [Cheesy Sausage Breakfast Casserole]
➡️ [Chicken Broccoli Rice Bake]
➡️ [Tater Tot Casserole]
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