In addtion to the cheap Velveeta, you can pick up a deal on Kraft Deluxe Macaroni & Cheese at Publix. Combine the BOGO sale and cash back offer to pay just $1.70 per box.

Kraft Velveeta Shells & Cheese Dinner, 9.29 to 14 oz, BOGO $3.90
–$0.25/1 Kraft Deluxe Macaroni & Cheese (Ibotta Deposit) – Limit 5 [Cannot be combined]
$1.70 after coupon.

KRAFT DELUXE Mac and Cheese Original Cheddar is an easy dinner for the whole family to enjoy. Made with real cheese, kids and adults love the rich taste and creamy texture of elbow macaroni with cheesy goodness. … With no artificial flavors or artificial dyes, deluxe mac and cheese is always a good option for the family.

Look for this deal as part of the Publix Ad & Coupons Week Of 7/27 to 8/2 (7/26 to 8/1 For Some).