Target has Market Pantry brand boxed Macaroni and Cheese boxes on sale for $0.42 each.
Buy 2 of them and use the $1/1 Market Pantry Mac & Cheese Target store coupon found by clicking HERE. You might have to buy 3 of them if your Target does not accept overage.
There is also a $1 off 2 Hellmann's Mayo coupon on Target.com coupon site linked above. People have been reporting that the 9oz sized bottles are on sale for $0.98 each. Use the $1 off 2 coupon and get two bottles for $0.48 each.