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Export 7 ingredients for grocery delivery
Step 1
Heat the oven to 350 degrees F. Butter a 3-quart casserole dish or spray with nonstick cooking spray.
Step 2
Bring a large pot of salted water to a boil. Cook pasta as directed on package. (Usually between 7 and 10 minutes). Drain.
Step 3
Melt butter in a large, high-sided pan over medium heat. When the butter begins to bubble, add the flour. Cook, whisking constantly 2 to 3 minutes until the butter smells fragrant and nutty — the color of the butter-flour mixture will turn light brown.
Step 4
While whisking, slowly pour in the milk. Continue to cook, whisking constantly until the sauce bubbles and thickens. Season the sauce with a 1/2 teaspoon of salt, pepper, nutmeg, and mustard. Add the pumpkin puree and three-quarters of the grated cheese. Stir until the cheese has melted and the sauce is smooth. Taste the sauce for seasoning and adjust with more salt or pepper.
Step 5
Mix the cooked pasta into the sauce until well coated then spoon into the prepared baking dish, top with remaining cheese.
Step 6
Bake the macaroni and cheese, uncovered, until golden brown on top, about 25 minutes. Let stand 5 minutes before serving.