Then add 4 cups of vodka, and whisk just to mix everything together.
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Photo by Macey Foronda/BuzzFeed
Now, divide the Jell-O mixture between the watermelon bowls on the paper towel-lined trays.
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Photo by Macey Foronda/BuzzFeed
Refrigerate for 4 hours, until the Jell-O is completely set.
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Photo by Macey Foronda/BuzzFeed
The Jell-O will shrink a little bit as it sets, which is OK.
Now, it’s just a matter of slicing! First cut each half into 1-inch slices, crosswise.

Photo by Macey Foronda/BuzzFeed