Twizzlers or Red Vines? Dum-Dums or Blow Pops? Your answer to those questions might be tied to where you live.

In honor of Halloween month, the folks at online grocery platform Instacart analyzed purchase data to reveal Americans candy preferences , and they identified some very interesting rivalries. Perhaps unsurprisingly to chocolate lovers, the top candies sold in October 2021 were Reeses Peanut Butter Cups and Peanut M&Ms.

Looking at a state-by-state breakdown, they found that people out West tend to favor Peanut M&Ms, while those in the eastern half of the U.S. are more likely to opt for Reeses Peanut Butter Cups. (However, in two states Hawaii and New Hampshire regular M&Ms were the favorite.)