Cheesy Potatoes Au Gratin

Indulge in the ultimate comfort food with this irresistible Cheesy Potatoes Au Gratin. Featuring a harmonious blend of salty, savory flavors, this dish is a true crowd-pleaser. Thinly sliced red potatoes are baked to perfection, enveloped in a rich, creamy sauce made with 2% milk and melted Colby-jack cheese. The addition of onion powder and black pepper adds depth and complexity, while the all-purpose flour creates a velvety, satisfying texture. This hearty and satisfying casserole is sure to delight both the young and the young-at-heart, making it a perfect choice for family gatherings, cozy weeknight dinners, or any occasion when you crave a comforting and indulgent side dish.

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1. Preheat your oven to 375°F.

2. Wash and peel the red potatoes, then slice them into thin, even slices, approximately 1/4 inch thick.

3. In a large saucepan, melt the unsalted butter over medium heat.

4. Whisk in the all-purpose flour, kosher salt, onion powder, and black pepper. Cook for 2-3 minutes, stirring constantly, to create a roux.

5. Gradually pour in the 2% milk, whisking continuously to prevent lumps from forming. Bring the mixture to a simmer and cook for 5-7 minutes, or until the sauce has thickened.

6. Remove the saucepan from the heat and stir in 8 ounces (half) of the Colby-jack cheese until it is fully melted and the sauce is smooth.

7. Arrange the sliced potatoes in a greased 9x13 inch baking dish, overlapping them slightly.

8. Pour the cheese sauce evenly over the potatoes, making sure to cover them completely.

9. Sprinkle the remaining 4 ounces of Colby-jack cheese over the top of the potatoes.

10. Bake the cheesy potatoes au gratin in the preheated oven for 45-55 minutes, or until the potatoes are tender and the top is golden brown and bubbly.

11. Allow the dish to cool for 5-10 minutes before serving.

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