Mac & Cheese was pretty much a staple around here when my kids were growing up. I swear one of my sons could eat 20 boxes a day if we would let him.
Kraft Macaroni & Cheese is $1.28 a box at Walmart but can frequently be price matched to $1.00
Use the $1.00/3 printable coupon for Kraft Macaroni & Cheese
Final: $.95 each or $.67 if you can find a PM
Kraft Velveeta Shells & Cheese are $2.48 a box at Walmart
Use the $1.00/2 printable coupon for Velveeta Shells & Cheese
Final: $2.00 a box
There is also a $1.00/2 printable coupon for Velveeta Casseroles