Ingredients
Equipment
Method
- Preheat the oven to 350°F. Cook the pasta in salted boiling water until al dente. Drain and set aside.1 lb short-cut pasta
- In a large oven-safe pot, melt the butter over medium-low heat. Add the onion and garlic with a pinch of salt and pepper. Cook until softened, about 5-7 minutes.4 Tbsp unsalted butter, 1 sweet onion, 3 cloves garlic, salt and pepper
- Sprinkle the flour over the onions to make a roux. Cook for 2-3 minutes, stirring, until golden and nutty.4 Tbsp all-purpose flour
- Slowly stream in the milk while whisking constantly until the sauce thickens. Stir in the nutmeg.2 1/2 cups whole milk, 1/4 tsp freshly ground nutmeg
- Add all the fresh spinach and stir until it completely wilts and softens into the sauce.12 oz fresh baby spinach
- Remove from heat. Stir in almost all of the mixed grated cheeses (reserve some for topping), then add the cooked pasta and toss to combine.12 oz fontina cheese, 6 oz white cheddar cheese, 2 oz parmesan cheese, 1 lb short-cut pasta
- Sprinkle the top with the reserved cheese and the crispy onions. Bake for 30-35 minutes until golden and bubbly. Let cool for 5-10 minutes before serving.1/2 cup crispy fried onions or breadcrumbs
Notes
Make-Ahead Tip: Assemble the dish up to the baking step, cover, and refrigerate for up to 24 hours. Bake from cold, adding 10-15 minutes to the baking time.
