The Creamiest Slow Cooker Mac & Cheese
I’ve made a lot of mac and cheese in my day, but nothing compares to this one.
After testing different methods, I finally nailed the perfect slow cooker mac and cheese—rich, ridiculously creamy, and packed with flavor.
No weird ingredients, no fuss. Just cheesy, comforting goodness that practically makes itself.
With simple pantry staples and a few secret tricks, this mac and cheese delivers restaurant-quality creaminess without the work.
Whether you need a crowd-pleasing side or a cozy main dish, this slow cooker version is the one you’ll keep coming back to.
Let’s make some magic happen!
For Slow Cooker Mac & Cheese
- Elbow Macaroni – Use classic elbow pasta for the perfect texture. Be sure to cook it al dente so it doesn’t get mushy in the slow cooker.
- Condensed Cream of Chicken Soup – Adds a rich, creamy base to the mac and cheese.
- Cheddar Cheese – The star of the dish! Shred it fresh for the best melt and flavor.
- Gruyère Cheese – Adds a hint of nuttiness and extra creaminess. If you don’t have Gruyère, you can substitute with more cheddar.
- Mayonnaise – Helps bind everything together while adding a smooth, velvety texture.
- Sour Cream – Adds tanginess and enhances the creamy consistency.
- Onion Powder – Brings a subtle depth of flavor without overpowering the dish.
- Dry Mustard Powder – A secret ingredient that enhances the cheese flavor without making it spicy.
- Black Pepper – Adds just the right amount of seasoning to balance the richness.
Slow Cooker Mac and Cheese
Nothing beats a warm, cheesy bowl of homemade mac and cheese, and this slow cooker version makes it easier than ever!
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Servings: 8
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Ingredients
- 2 cups elbow macaroni (uncooked)
- 1 (10.5-ounce) can condensed cream of chicken soup
- 3 cups shredded cheddar cheese
- 1 cup shredded Gruyère cheese
- ½ cup mayonnaise
- ½ cup sour cream (regular or light)
- 1 teaspoon onion powder
- ½ teaspoon dry mustard powder
- ½ teaspoon black pepper
Instructions
- Cook the Pasta: Boil the macaroni according to package directions but stop 1-2 minutes early so it remains firm. (Aim for about 5 minutes of boiling.) Drain and rinse with cold water.
- Mix Ingredients: In a 4-quart slow cooker, combine all ingredients, including the cooked pasta. Stir to distribute everything evenly.
- Slow Cook: Cover and cook on high for 2 hours or low for 3 hours, stirring once or twice during cooking.
- Serve: Enjoy hot and creamy!
- Pasta: Keep it firm after boiling; rinsing helps stop the cooking process.
- Cheese: For best results, shred cheese from a block instead of using pre-shredded cheese. No Gruyère? Substitute with an extra cup of cheddar.
- Cooking Time: Check the pasta early—slow cooker temperatures can vary.
- Doubling the Recipe: Use a 6-quart slow cooker if doubling. Cook on high for 2½ hours, stirring at the 1-hour and 2-hour marks.
- Make-Ahead Option: Prep the sauce and cooked pasta separately, then combine in the slow cooker before cooking.
- Oven Alternative: Preheat to 350°F. Bake covered for 30 minutes, then uncovered for another 30 minutes.
Nutrition
Calories: 464 kcal | Carbohydrates: 31g | Protein: 27g | Fat: 47g | Saturated Fat: 21g | Cholesterol: 105mg | Sodium: 917mg | Potassium: 203mg | Fiber: 1g | Sugar: 2g | Vitamin A: 1000 IU | Vitamin C: 0.2mg | Calcium: 665mg | Iron: 1.5mg
Common Questions & Tips for the Best Slow Cooker Mac & Cheese
- Do I really need to cook the macaroni first?
Yes! But keep it extra al dente—about 1-2 minutes less than the package says. It should still have a firm bite when you drain it. This keeps it from turning mushy as it cooks in the slow cooker. - Can I use pre-shredded cheese?
You can, but I don’t recommend it. Pre-shredded cheese has anti-caking agents that mess with the melt. For ultra-creamy mac and cheese, shred your own! - Can I swap out the Gruyère?
Absolutely! If you don’t have Gruyère, just use an extra cup of cheddar (so 4 cups total). Want to mix it up? Try Monterey Jack, Colby, or a little smoked gouda for a twist. - How do I keep it from drying out or getting mushy?
Keep an eye on the cooking time—slow cookers vary! Stir once or twice while it cooks to keep everything creamy. And don’t overcook the pasta at the start! - Can I double the recipe?
Yep! Just use a larger slow cooker (6 quarts or more) and cook on high for 2 ½ hours. Give it a quick stir after 1 hour and 2 hours to keep everything melting evenly.
