Challenge Butter for $1.89 at Shaw's- Starts Friday! Starting Friday June 21st, Shaw's will have 16 oz Challenge Butter Sticks on sale for $2.99. Pair this with a product coupon found inside previously purchased Challenge Butter products and take this home for under two bucks! Scroll down to see how we do this deal! Here's How To Do This Deal: Challenge Butter 16 oz $2.99 Buy: One (1) View Post