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As the pumpkin puree meets the warm milk, the pale sauce turns orange and takes on a soft, spoon-coating look. This Pumpkin Mac and Cheese keeps sharp cheddar in the lead, with pumpkin lending a gentle earthiness rather than a sweet pie flavor. The elbows hold onto the sauce, and a little dry mustard keeps the cheese taste rounded. It’s stovetop macaroni and cheese that feels familiar, with a warmer color and a fuller sauce.

I build the sauce in the same pot used for the pasta, starting with butter and flour before gradually whisking in the milk. Pumpkin and seasonings simmer together before the cheddar goes in off the heat, which lets it melt smoothly into the thickened sauce. After the macaroni is stirred through, a short rest gives the sauce time to settle around every elbow. Each bite stays savory, creamy, and unmistakably macaroni and cheese.

Why the Pumpkin Simmer Belongs Before the Cheddar

Pumpkin puree adds more than color: it brings its own body to the sauce, but it doesn’t take the place of the flour-and-butter base. The roux gives the milk structure, while the pumpkin blends into that base and contributes its earthy flavor. Letting the mixture simmer before the cheese goes in gives you a useful texture check while the sauce is still easy to whisk.

Look for a sauce that coats the back of a spoon before you add the cheddar. If it still runs off like milk, give it more time within the simmering stage and keep whisking; adding cheese won’t fix a base that hasn’t thickened. Once the sauce is ready, taking the pot off the heat helps the cheddar melt into it instead of tightening up under direct heat. That order gives the pumpkin a supporting role and leaves the cheese sauce smooth and savory.

What the Pumpkin, Milk, and Cheddar Each Bring to the Pot

• Canned pumpkin puree — Choose plain puree, not pumpkin pie filling, which is sweetened and seasoned. The canned version is consistent and ready to whisk in; a plain butternut squash puree is a useful one-for-one alternative if you want a slightly sweeter, less earthy sauce.
• Sharp cheddar — Its tang keeps the pumpkin from making the sauce taste flat. A block you grate yourself melts smoothly; pre-grated cheese is convenient, but its coating can leave the finished sauce less silky. For a milder result, replace half the cheddar with Gruyère while keeping the total amount of cheese the same.
• Whole milk — It gives the sauce a rich base without the heaviness of relying on cheese alone. Two-percent milk works in the same amount, though the sauce will be a little less rich; skim milk is more likely to leave it thin.
• All-purpose flour and butter — Together they thicken the milk into a sauce that clings to the macaroni. For a gluten-free version, use a one-to-one gluten-free flour blend in place of the all-purpose flour; the sauce may have a slightly different texture depending on the blend.
• Dry mustard, black pepper, and nutmeg — These seasonings add savory warmth without making the dish taste strongly spiced. Freshly ground black pepper has a sharper aroma, but ordinary ground pepper works well here.

Building the Pumpkin Cheese Sauce Before the Macaroni Goes Back In

Boil the Elbows Just to Al Dente

Bring 4 quarts of water to a boil in a 6-quart pot, then stir in the kosher salt and elbow macaroni. Cook for 7 to 9 minutes, stirring occasionally, until the pasta is al dente. It should be tender but still have a little firmness when you bite an elbow. Drain it in a colander and set it aside while you make the sauce.

Whisk the Roux and Gradually Add the Milk

Return the empty pot to the stove and melt the butter over medium heat. Whisk in the flour and keep whisking for 1 minute so it forms a smooth roux rather than dry pockets. Pour in the milk gradually, whisking as you go; adding it all at once makes lumps harder to work out. When the milk is smooth, whisk in the pumpkin puree, dry mustard, black pepper, and nutmeg.

Simmer Until the Sauce Coats a Spoon

Bring the pumpkin mixture to a gentle simmer, whisking often, and cook for 3 to 5 minutes. You’re looking for a thicker sauce that leaves a light coating on the back of a spoon. Keep the heat gentle instead of letting the milk mixture boil hard, and whisk across the bottom of the pot so the thickening sauce doesn’t catch. If it still looks runny, keep simmering and checking its texture.

Melt the Cheddar Off the Heat

Take the pot off the heat before adding the grated cheddar. Stir it in a handful at a time, letting each addition melt before adding the next; this helps the sauce stay smooth. Add the drained macaroni and stir until the elbows are evenly coated. Let the finished pot stand for 2 minutes before serving.

Three Swaps That Change the Dish Without Losing Its Creamy Sauce

Questions That Come Up Once the Sauce Hits the Pasta

Pumpkin Mac and Cheese

Pumpkin mac and cheese combines elbow macaroni with a creamy cheddar sauce made with canned pumpkin puree. A gentle simmer thickens the sauce until it coats the back of a spoon before the pasta is stirred in.

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Prep Time 10 minutes mins

Cook Time 13 minutes mins

standing time 2 minutes mins

Total Time 25 minutes mins

Servings: 6 servings

Course: Dinner

Cuisine: American

Calories: 675

Ingredients Equipment Method Notes

Ingredients

  

For the pasta

• 4 qt water
• 1 lb elbow macaroni
• 1 tbsp kosher salt

For the pumpkin cheese sauce

• 4 tbsp unsalted butter
• 0.25 cup all-purpose flour
• 3 cups whole milk
• 1 cup pumpkin puree canned, not pumpkin pie filling
• 1 tsp dry mustard
• 0.5 tsp black pepper
• 0.125 tsp ground nutmeg
• 12 oz sharp cheddar cheese grated

Equipment

• 1 6-quart pot

Method

 

Cook the pasta

1. Bring 4 quarts water to a boil in a 6-quart pot.
2. Add the kosher salt and macaroni; cook 7-9 minutes, stirring occasionally, until al dente.
3. Drain the pasta in a colander.

Make the pumpkin cheese sauce

1. Return the empty pot to the stove and melt the butter over medium heat.
2. Whisk in the flour and cook for 1 minute, whisking constantly.
3. Gradually whisk in the milk until smooth.
4. Whisk in the pumpkin puree, dry mustard, black pepper, and nutmeg.
5. Bring to a gentle simmer and cook for 3-5 minutes, whisking often, until thick enough to coat the back of a spoon.
6. Remove the pot from the heat and stir in the cheddar a handful at a time until melted and smooth.

Combine and serve

1. Add the drained macaroni and stir until evenly coated.
2. Let stand for 2 minutes before serving.

Notes

For the smoothest sauce, grate the cheddar just before using. Refrigerate leftovers for 3-4 days; freezing is not recommended because the sauce may become grainy. For a gluten-free adaptation, use gluten-free macaroni and a gluten-free flour blend.