6 tablespoons unsalted butter (3 ounces), plus additional to butter a 6-cup gratin dish
6 tablespoons all-purpose flour
2 cups whole milk
3/4 teaspoon kosher salt
1/2 teaspoon freshly ground black pepper
5 large eggs
10 ounces grated Swiss cheese, preferably Gruyère (about 2 1/2 cups)
3 tablespoons minced chives
Let's start by getting that oven nice and hot - 400°F (205°C).
Grab your 6-cup gratin dish and give it a good coating of butter so nothing sticks to our beautiful creation.
In a medium saucepan over medium heat, melt the butter and whisk in that flour until they're best friends.
Give it a quick 10-second cook, then pour in the milk while whisking everything together.
Keep that whisk moving constantly until our mixture comes to a boil and transforms into a thick, smooth sauce - should take about 3 to 4 minutes.
Pull it off the heat and whisk in our salt and pepper for that perfect seasoning.
Let our mixture chill out in the pan for about 10 minutes.
While that's cooling, grab a medium bowl and whisk those eggs until they're thoroughly combined.
Now for the good part - gradually whisk your eggs, cheese, and chives into our cooled butter mixture until everything's happily incorporated.
Pour this glorious mixture into our buttered gratin dish.
Pop it into our preheated oven and let it work its magic until it's puffy and beautifully browned on top - about 25 to 30 minutes.
This dish is best enjoyed right away, so serve it immediately and watch everyone's faces light up!
Servings\Yield
Serves 4 to 6
Nutrition Facts
Nutrition Per Serving (based on 4 servings) - Calories: 585; Total Fat: 45g (Saturated Fat: 26g); Cholesterol: 335mg; Sodium: 730mg; Total Carbohydrates: 18g (Dietary Fiber: 0g, Sugars: 5g); Protein: 31g
*Nutrition information is provided as a general estimate only. Nutrient information is not available for all ingredients, and is based on available nutrient data. Variations may occur based on ingredient brands and preparation methods.
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