Can I make this baked mac and cheese ahead of time?
Yes. Assemble the dish, cover, and refrigerate for up to 24 hours. Bake from cold, adding 10–15 minutes to the baking time, or let it come to room temperature first.
What's the best way to prevent a lumpy béchamel sauce?
Whisk the flour into melted butter over medium heat for 1–2 minutes before slowly adding milk while whisking constantly. Avoid high heat, which can cause lumps.
Can I substitute the Fontina cheese?
Yes. Gruyère, Emmental, or Smoked Gouda work well and offer similar melting quality and richness. Avoid low-moisture cheeses like aged cheddar, which won't create the same creamy texture.
How do I know when the baked mac and cheese is done?
The top should be golden brown and the sauce should bubble around the edges. The pasta underneath should be tender and the cheese fully melted.
Can I use a different pasta shape?
Yes. Short pasta like penne, elbow, or shells work well. Avoid long pasta like spaghetti, which doesn't trap the creamy sauce as effectively.