This Low Calorie Protein Mac and Cheese has 42.0g of protein, and is just 367 calories!You can boost the protein even more by adding in some cooked and shredded chicken.Special Tip: When you cook protein pasta, make sure to gently mix it. Both during boiling and while folding in the sauce. Protein pasta can fall apart if you are rough with it. It will still be yummy, but not as pretty.