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Ultimate 4-Cheese Baked Mac and Cheese

Indulge in the ultimate mac and cheese experience with a rich, creamy, and deeply flavorful 4-cheese sauce, buttery cracker topping, and perfectly cooked pasta. It's a showstopper that's worth every bite!

PT1H15M
1 hr 15 min
easy
easy
10
10
594kcal
calories
32g
carbohydrates
40g
fat
2g
fiber
28g
protein
988mg
sodium
7g
sugar

Ingredients

60 ml unsalted butter, melted and divided
355 ml roughly crushed buttery round crackers (such as Ritz)
30 g all-purpose flour
590 ml warm whole milk (about 40°C)
355 ml warm half-and-half (about 40°C)
20 ml Dijon mustard
10 ml kosher salt
5 ml garlic powder
1 ml smoked paprika
1 (11 g) cube vegetable bouillon, very finely crushed (from 1 [60 g] pkg.) (such as Knorr)
225 g sharp yellow Cheddar cheese, shredded
115 g smoked yellow Cheddar cheese, shredded
225 g Colby-Jack cheese, shredded and divided
450 g dried cavatappi pasta, cooked to al dente according to package directions
225 g part-skim mozzarella cheese, shredded, divided
180 ml sour cream, at room temperature
Chopped fresh chives

Directions

Step 1
Preheat the oven to 175°C. Grease a 33x23 cm baking dish with 15 ml of the melted butter.
Step 2
In a medium skillet, stir together the crackers and 45 ml of the melted butter; cook over medium heat, stirring often, until lightly toasted, about 2 minutes. Remove from heat and set aside.
Step 3
In a large Dutch oven over medium heat, whisk together the flour and the remaining 60 ml melted butter; cook, whisking constantly, until the mixture is blond in color, bubbly, and somewhat toasty in aroma, about 2 minutes.
Step 4
Gradually add the warm milk and half-and-half, whisking constantly, until combined. Cook over medium heat, whisking often, until the milk mixture can lightly coat the back of a spoon and hold a trail when a finger is dragged through, 2 to 4 minutes.
Step 5
Remove from heat and whisk in the mustard, salt, garlic powder, paprika, and bouillon until dissolved and well combined.
Step 6
Gradually whisk in the Cheddar, smoked Cheddar, and 225 g of the Colby Jack, one cup at a time, until melted and smooth.
Step 7
Stir in the cooked pasta until evenly coated. Spread half of the pasta mixture (about 1.2 L) into the prepared pan; top evenly with 225 g of the mozzarella and 120 ml of the Colby Jack. Dollop and spread the sour cream evenly over the mozzarella mixture.
Step 8
Top evenly with the remaining pasta mixture (about 1.2 L); sprinkle with the remaining 225 g mozzarella and 120 ml Colby Jack.
Step 9
Sprinkle the crushed cracker mixture evenly over the pasta.
Step 10
Bake in the preheated oven until the pasta mixture is bubbly around the edges, 25 to 30 minutes, loosely covering with aluminum foil to prevent overbrowning, if needed. Let stand on a wire rack for 5 minutes.
Step 11
Garnish with chives and serve immediately.