How do I keep baked mac and cheese from getting grainy?
Keep the sauce away from high heat. Once your sauce base is thickened, turn off the heat and stir in the cheese a handful at a time so it melts gently from the residual heat. Also, shred your own cheese if you can. Pre-shredded cheese often has anti-caking agents that can make sauces less smooth.
What are the best cheeses for extra cheesy mac?
My favorite combo here is sharp cheddar for flavor, low-moisture mozzarella for melt and stretch, and Parmesan for salty depth. You can swap in Monterey Jack, Colby, fontina, or gouda.
Can I make it ahead?
Yes. Assemble everything in the baking dish, cover, and refrigerate up to 24 hours. For the crunchiest top, add the cracker topping right before baking. Bake covered for 20 minutes, then uncover and finish until bubbly and browned. If you are baking straight from the fridge, it may need an extra 10 to 15 minutes. It is ready when the center is hot (about 165°F) and the edges are bubbling.
Why is my mac and cheese dry after baking?
Usually it is one of two things: noodles cooked too long, or not enough sauce. Cook pasta just to al dente and make sure the sauce looks slightly loose before baking. It thickens in the oven.
Can I add protein or mix-ins?
Absolutely. Stir in cooked bacon, shredded chicken, sautéed mushrooms, or steamed broccoli. Keep add-ins to about 2 cups total so the sauce still coats everything.