Slow Cooker Classic Mac and Cheese
A creamy, cheesy, and comforting slow-cooked version of the classic kid favorite, with a hint of buttery bread crumbs for extra crunch. This American-inspired slow-cooker recipe, ready in about 140 minutes, pairs elbow macaroni, milk, cheddar cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 12 oz elbow macaroni
- 4 cups milk
- 2 cups, shredded cheddar cheese
- 1/2 cup, shredded mozzarella cheese
- 2 tbsp butter
- 2 tbsp all-purpose flour
- 1/2 tsp salt
- 1/4 tsp black pepper
- 1/4 cup panko bread crumbs
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Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: In a medium saucepan, melt 2 tbsp butter over medium heat; whisk in 2 tbsp all-purpose flour and cook for 1 minute until golden, then gradually whisk in 4 cups milk until smooth.
- Step 2: Stir in 2 cups shredded cheddar cheese and 1/2 cup shredded mozzarella cheese until melted, then add 1/2 tsp salt and 1/4 tsp black pepper, cooking for 2-3 minutes until the sauce thickens and coats the back of a spoon.
- Step 3: Cook 12 oz elbow macaroni according to package instructions until al dente, then drain and rinse under cold water; stir the cooked pasta into the cheese sauce until well coated.
- Step 4: Transfer the mac and cheese mixture to a 6-quart slow cooker, sprinkle 1/4 cup panko bread crumbs evenly over the top, and cover; cook on LOW for 2 hours to allow the flavors to meld and the bread crumbs to toast slightly.
Frequently asked questions
How long does Slow Cooker Classic Mac and Cheese take to make?
Total time is about 140 minutes (20 min prep + 120 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Slow Cooker Classic Mac and Cheese?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep elbow macaroni from drying out.
Can I substitute ingredients in Slow Cooker Classic Mac and Cheese?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Slow Cooker Classic Mac and Cheese for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Slow Cooker Classic Mac and Cheese?
American slow cooker like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
So much better than takeout. We'll never order american delivery again.
- ★★★★☆
Very good for a 120-minute recipe. Would bump up the spice level though.
- ★★★★☆
Enjoyable meal. Instructions could be a touch more detailed on the timing.








