You've shopped at Costco a million times before but have you ever shopped with our tried and true grocery list of must have Costco items? From cheese to chocolate to pantry staples, Brooke Eliason shares her 27 must-have Costco food items on this episode of That Was Delicious.

Beecher's World's Best Mac & Cheese Recipe

Butter Taste Test

Potato Chip Taste Test

Pickle Taste Test

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