Cheesy Potato & Broccoli Gratin
20min
45min
12
385
Chef's Note
For extra flavor, try adding a pinch of nutmeg to the cheese sauce. If you prefer a crispier topping, place the gratin under the broiler for the last 2-3 minutes of cooking, but watch carefully to prevent burning!
Tags
Ingredients
1 lb (half bag) frozen French fries
16 slices American cheese slices
4 cups fresh broccoli florets
1 medium yellow onion
3 cloves garlic
3 tablespoons unsalted butter
3 tablespoons all-purpose flour
2 cups whole milk
1 cup heavy cream
1 cup shredded cheddar cheese
1/2 cup grated Parmesan cheese
1 teaspoon dried thyme
1/2 teaspoon paprika
1 teaspoon salt
1/2 teaspoon black pepper
1 cup panko breadcrumbs
2 tablespoons olive oil
Instructions
- 1
Preheat oven to 375°F (190°C) and lightly grease a 9x13 inch baking dish.
- 2
Bring a large pot of salted water to a boil. Add 4 cups of broccoli florets and blanch for 3 minutes until bright green but still firm. Drain and immediately transfer to an ice bath to stop cooking. Drain again and set aside.
- 3
Dice 1 medium yellow onion and mince 3 cloves of garlic.
- 4
In a large saucepan, melt 3 tablespoons of butter over medium heat. Add the diced onion and cook for 4-5 minutes until softened.
- 5
Add the minced garlic and cook for another 30 seconds until fragrant.
- 6
Sprinkle 3 tablespoons of flour over the onion mixture and stir continuously for 1-2 minutes to form a roux.
- 7
Gradually whisk in 2 cups of milk and 1 cup of heavy cream, stirring constantly to prevent lumps.
- 8
Bring the mixture to a simmer and cook for 3-4 minutes until it begins to thicken.
- 9
Reduce heat to low and add 8 slices of American cheese, torn into pieces. Stir until melted and smooth.
- 10
Add 1 cup of shredded cheddar cheese and stir until melted and incorporated.
- 11
Season with 1 teaspoon dried thyme, 1/2 teaspoon paprika, 1 teaspoon salt, and 1/2 teaspoon black pepper. Taste and adjust seasoning if needed.
- 12
Arrange half of the frozen French fries (about 1/2 lb) in an even layer in the prepared baking dish.
- 13
Spread half of the blanched broccoli over the fries.
- 14
Pour half of the cheese sauce evenly over the broccoli and fries.
- 15
Layer the remaining 8 slices of American cheese over the sauce.
- 16
Add the remaining French fries and broccoli as the next layer.
- 17
Pour the remaining cheese sauce over everything, ensuring all potatoes and broccoli are covered.
- 18
In a small bowl, combine 1 cup panko breadcrumbs, 1/2 cup grated Parmesan cheese, and 2 tablespoons olive oil. Mix well until the breadcrumbs are moistened.
- 19
Sprinkle the breadcrumb mixture evenly over the top of the gratin.
- 20
Bake in the preheated oven for 35-40 minutes until the top is golden brown and the edges are bubbling.
- 21
Let stand for 10 minutes before serving to allow the gratin to set.
Nutrition Information (per serving)
385
15g
28g
24g
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