1tablespoonyellow mustard (you can also use dijon mustard or dry mustard, as well)
Fresh black pepper, to taste
Instructions
In a large pot of boiling, salted water cook the pasta according to package directions adding the broccoli during the last 3 minutes of cooking. Drain well and set aside.
Meanwhile, in a large skillet or pot over medium heat, melt butter. Add the flour, then whisk until combined, about 30 seconds.
Add milk and whisk until well combined. While wisking, cook for 2-3 minutes until slightly thickened. Be sure not to bring to a boil.
Off the heat, add the Gruyere, Cheddar, salt, pepper, mustard and hot sauce. Stir until all ingredients are well combined.
Add the cooked macaroni with broccoli and stir well.