Get ready for the ultimate comfort food upgrade: creamy, cheesy mac and cheese loaded with crispy bacon and tender roasted cauliflower. The cauliflower is oven-roasted to bring out its natural sweetness and add a delightful texture, while the cavatappi pasta curls catch every bit of the luscious sauce.
This dish is perfect for a cozy weeknight dinner or a crowd-pleasing side. With a golden, bubbly top and smoky bacon throughout, every bite is a satisfying blend of flavors and textures. Plus, it comes together in under an hour with simple ingredients.
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Recipe details
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Ingredients
Instructions
- Preheat oven to 400°F. Bring a large pot of salted water to a boil. Thinly slice scallions, separating white and green parts. Toss cauliflower florets on a baking sheet with olive oil, salt and pepper. Roast until tender, 20-25 minutes.
- Add cavatappi to boiling water and cook until al dente, 9-11 minutes. Reserve 1/4 cup pasta water, then drain.
- While pasta cooks, heat a large ovenproof pan over medium-high heat. Add bacon and cook until crispy, 7-9 minutes. Transfer bacon to paper towels; pour off all but 1 teaspoon of drippings.
- Melt butter in the same pan over medium heat. Add scallion whites and cook until softened, about 1 minute. Stir in flour and cook until lightly browned, 1-2 minutes. Gradually whisk in milk and reserved pasta water, then stir in stock concentrate. Simmer until thickened, 1-2 minutes. Remove from heat and stir in cheese until melted. Season with salt and pepper.
- Crumble bacon into pieces. Stir bacon, pasta and 3/4 of the roasted cauliflower into the cheese sauce. If your pan isn’t ovenproof, transfer to a lightly oiled baking dish. Top with remaining cauliflower.
- Bake until lightly browned and bubbly, 5-7 minutes. Garnish with scallion greens and serve.
Recipe Tips
For extra crispiness, use an ovenproof skillet so you can bake the mac and cheese directly in it.
Reserve more pasta water than needed; you can add a splash if the sauce seems too thick.
Feel free to substitute the Italian cheese blend with shredded Gruyère or sharp cheddar.
FAQ
Can I use a different pasta shape?
Yes! Any short pasta like elbow macaroni, shells or rotini works well. Adjust cooking time according to package directions.
Can I make this dish ahead of time?
You can assemble the mac and cheese (without the final bake) and refrigerate for up to 24 hours. When ready, bake at 400°F for 10-12 minutes until hot and bubbly.
How do I reheat leftovers?
Reheat in a 350°F oven for about 10 minutes or in the microwave in 30-second bursts. Add a splash of milk to restore creaminess.

























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