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Ingredients
3 tablespoons butter
1 small onion, finely diced
1 clove garlic, minced or grated
1 teaspoon fresh thyme, chopped (or 1/2 teaspoon dried thyme)
3 tablespoons all-purpose flour (or gluten-free flour for a gluten-free option)
1 1/2 cups milk
1 1/2 cups Gruyere cheese, shredded
1 pinch of nutmeg (optional)
Salt and pepper to taste
4 pounds potatoes, thinly sliced
Instructions
Continued on the next page
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