Amy at VeryCulinary.com has this great shot of a summer root beer float. While I confess I've never been a fan—that weirdly stable soda-milk foam just creeps me out—my little brother used to go crazy over these things. Barq's root beer and Dreyer's vanilla bean ice cream were his standbys, but I bet there are better ones out there. Serious Eaters, any root beer float lovers out there? What are your ingredients of choice?
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