"Au Gratin Potatoes are thinly sliced potatoes, covered in a creamy cheese sauce and then topped with more cheese and baked in the oven!..."
INGREDIENTS
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6 medium russet potatoes, rinsed, peeled, and cut into 1/4-inch thick slices
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2 tbsp. unsalted butter
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1/2 c. diced yellow onion
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2 cloves garlic, minced
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2 tbsp. all-purpose flour
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2 c. half & half
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1 1/2 tsp. kosher sea salt
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1/4 tsp. ground black pepper
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1 1/2 c. grated cheddar and colby jack cheese
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1 tbsp. sliced chives (optional)