Crockpot Mac and Cheese
When you lift the lid on a slow cooker, the edges of a cheese sauce can look ready while the middle is still warming through. That’s why I don’t ask…
Tip: save now, cook later.When you lift the lid on a slow cooker, the edges of a cheese sauce can look ready while the middle is still warming through. That’s why I don’t ask the crockpot to cook the macaroni from dry. For this Crockpot Mac and Cheese, the pasta gets a quick head start in boiling water, then the slow cooker takes over and melts everything together without tying up the stovetop.
Evaporated milk and deli American cheese help the cheddar turn into a smooth sauce instead of a pile of melted shreds. I keep the heat on LOW and stir once during cooking; after that, I watch for melted cheese and a sauce that’s creamy and hot throughout. The elbows stay tender, and each scoop comes out coated in rich, sharp cheddar sauce.
Kitchen Note
At the 45-minute stir, the cheese may not be fully melted yet. Let the slow cooker finish the job until the sauce is creamy and hot throughout, rather than judging it halfway through.
Save this Crockpot Mac and Cheese for an easy, creamy cheddar dinner with tender elbows and a smooth slow-cooked sauce.
Why This Crockpot Mac and Cheese Starts on the Stove
A slow cooker is great at gently melting cheese, but it isn’t a pot of boiling water. Dry macaroni needs enough hot water to hydrate evenly; surrounded by dairy in a slow cooker, it won’t cook with the same dependable timing or texture. Giving the elbows a head start in boiling water solves that problem before they ever meet the cheese.
The pasta goes into the cooker just shy of al dente, so it still has a little firmness when it joins the milk and cheese. During the slow-cooker finish, it warms through as the cheeses melt around it. That brief gap between fully cooked and slightly underdone matters: pasta that’s already soft before the long, gentle finish has less room to hold its shape. The crockpot’s job here is to bring the sauce together and heat the whole dish, not to rescue uncooked noodles.
This is also why I don’t stretch the cooking time just to keep the dish waiting. The sauce should be creamy and hot throughout when you serve it, with tender elbows rather than pasta that’s been sitting in heat long after the cheese melted.
What Evaporated Milk and American Cheese Bring to the Sauce
- Evaporated milk — Its concentrated dairy texture gives the sauce more body than regular milk alone. Use the canned unsweetened kind; sweetened condensed milk isn’t a substitute here. It’s shelf-stable, so the standard can works well.
- Whole milk — This loosens the cheese mixture while keeping it rich. Lower-fat milk will make a thinner sauce, so whole milk is the better fit for the creamy result. There’s no need to warm it separately.
- Deli American cheese — This melts smoothly and helps the cheddar sauce stay cohesive. Ask for it at the deli and tear it into pieces so it disperses through the macaroni. Packaged slices can vary in thickness and melt differently, so deli-cut American is the most reliable choice.
- Sharp cheddar — Cheddar brings the unmistakable tang and savory cheese flavor. A block you shred yourself melts into a smoother sauce than many pre-shredded bags, which are often coated to prevent clumping. Choose a sharp cheddar you like eating on its own; the flavor comes through clearly.
- Dry mustard — It adds a quiet savory sharpness that keeps the dairy from tasting flat, without making the finished dish taste strongly of mustard. Keep it dry rather than swapping in prepared mustard, which adds moisture and a different flavor.
The Short Slow-Cooker Finish That Keeps the Mac Creamy
Butter the Slow Cooker
Use a tablespoon of butter to grease the inside of a 6-quart slow cooker. Work it across the bottom and sides so the macaroni mixture has less chance of sticking as it heats. The remaining butter goes into the cooker with the other ingredients later. This first coating is a small step, but it helps the finished cheese sauce release cleanly when you serve it.
Boil the Elbows Just Shy of Al Dente
Bring a large pot of water to a boil, then add the elbow macaroni and a tablespoon of kosher salt. Cook it for two minutes less than the package’s al dente time; the elbows should still offer a slight firm bite when drained. Drain them well so excess water doesn’t thin the dairy mixture. Don’t wait for the pasta to feel completely soft in the pot.
Combine the Milk, Cheese, and Pasta
Add the drained macaroni to the slow cooker with the remaining butter, evaporated milk, whole milk, shredded sharp cheddar, torn American cheese, remaining kosher salt, dry mustard, and black pepper. Stir until the pasta is distributed through the dairy and the cheese pieces aren’t sitting in one clump. The cheddar will still look shredded and the American cheese will still have visible pieces at this point. That’s expected before the slow cooker has had time to melt everything.
Let the Sauce Melt on LOW
Cover the slow cooker and cook on LOW for 1 to 1 1/2 hours, stirring once after 45 minutes. At the stir, the cheese may be partly melted, so mix the macaroni through the sauce and put the lid back on. It’s ready when the cheeses have melted and the sauce is creamy and hot throughout. Serve promptly for the best texture.
Two Smart Swaps for Crockpot Mac and Cheese
Make It Gluten-Free with Elbow Pasta
Replace the regular elbows with gluten-free elbow macaroni, then use that pasta’s package timing and drain it two minutes shy of its al dente time. Gluten-free pasta can soften more quickly in the slow cooker, so choose a sturdy variety and handle it gently when you stir. The sauce stays the same, while the noodles may be a little more delicate.
Use White Sharp Cheddar
Swap white sharp cheddar for the orange sharp cheddar, keeping the same quantity and shredding it before it goes into the cooker. You’ll get the same tangy cheddar character with a paler sauce. The American cheese still supplies the smooth melt, so this changes the color more than the texture.
Storage and Reheating
- Refrigerator: Store leftovers in an airtight container for 3 to 4 days. The sauce will thicken as it chills, and the pasta will soften a little.
- Freezer: Freeze in airtight portions for up to 2 months. The sauce may look less smooth after thawing, and the macaroni will be softer.
- Reheating: Warm gently in a saucepan over low heat, stirring in a splash of whole milk to loosen the sauce. Avoid high heat, which can make the cheese sauce oily or grainy.
Questions That Come Up Before the Lid Goes On
Crockpot Mac and Cheese
Ingredients
Equipment
Method
- Use 1 tablespoon of the butter to grease the inside of a 6-quart slow cooker.
- Bring a large pot of water to a boil, add the macaroni and 1 tablespoon of the salt, and cook until 2 minutes shy of the package’s al dente time; drain well.
- Add the macaroni to the slow cooker with the remaining 4 tablespoons butter, evaporated milk, whole milk, cheddar, American cheese, remaining 1/2 teaspoon salt, dry mustard, and black pepper; stir to combine.
- Cover and cook on LOW for 1 to 1 1/2 hours, stirring once after 45 minutes, until the cheeses are melted and the sauce is creamy and hot throughout; serve promptly.
