Hi there, Marliss! Because the mixing method for this recipe requires that the butter be melted, you certainly can swap it out for an equal amount of oil! We're happy to share your request with our test kitchen team and also wanted to share that many times when the butter called for is melted or doesn't need to be creamed with the sugar, you can replace it with oil. We're always happy to provide suggestions for substitutions or recipe recommendations, so please do feel free to reach out to our Baker's Hotline folks! As for cookie recipes that call for oil instead of butter we'd recommend checking out our Vegan Chocolate Chip Cookies or if you like salty-sweet things our Vegan Salted Chocolate Chip Cookies might be a good one to try! 

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