HOW TO MAKE MAC AND CHEESE SAUCE RECIPES

Steps:

• Preheat oven to 400°. In a stockpot or Dutch oven, cook pasta according to package directions for al dente; drain and return to pan. Pulse bread, 2 tablespoons butter, Parmesan, 1/2 teaspoon salt and 1/2 teaspoon pepper in a food processor until coarsely ground., Meanwhile, in a large skillet over medium heat, melt remaining butter. Add onions and cook until tender, about 3 minutes. Add ground mustard and cayenne; stir until blended. Stir in flour until smooth, about 3 minutes. Slowly whisk in milk and cream; bring to a boil. Reduce heat to medium-low; simmer, stirring constantly, until thickened, about 5 minutes. Remove from heat; stir in Velveeta. Slowly add remaining cheeses a handful at a time, stirring until cheese is melted. Add Worcestershire and remaining salt and pepper. Pour over pasta; toss to coat., Transfer to a greased 13x9-in. baking dish. Sprinkle bread crumbs over top of casserole. Bake until topping is golden brown and sauce is bubbly, 10-12 minutes.

Steps:

• Bring a large pot of salted water to a boil. 
• In a medium pot over medium heat, melt butter. Add flour and cook until golden and smells nutty, about 1 minute. Slowly add milk while whisking. Continue whisking until no lumps remain and mixture thickens, 1 to 2 minutes more. 
• Add cream, ground mustard, and cayenne and season with salt and pepper. Let simmer for 2 minutes, then turn off heat and whisk in cheese until completely melted. 
• Add pasta to boiling water and cook according to package directions. Reserve about ½ cup pasta water, then drain. 
• Add 1/4 cup pasta water to cheese sauce and stir to combine. Add cooked pasta and stir to coat. Add more pasta water, a tablespoon at a time, to loosen sauce as necessary.