Dietitians Spilled Their Favorite Costco Foods and Basically Rewrote My Grocery List

"I always have to have peanut butter on hand in my house. Everyone in my house loves peanut butter, so that's something I definitely don't want to run out of. I think I could put peanut butter on everything but mostly use it on fruits to help stabilize my blood sugar and keep me full longer." — Jennifer Smith