Vodka grapes are great for New Year's Eve celebrations, Christmas, birthdays, and brunch. The sweetness of the sugar balances the intensity of the alcohol, but be careful, these booze-infused grapes are hard to stop eating!
Pour Prosecco and vodka on top of the grapes and refrigerate overnight (or at least 12 hours).
Strain and lightly blot grapes with a paper towel leaving them damp. Note: lining a baking sheet in paper towels and rocking them back and forth is a quick way to lightly dry them.
Spread in an even layer on a baking sheet, and sprinkle with sugar. Toss gently to coat.
Notes
We soaked the grapes in vodka and Prosecco for 20 hours. The liquid will take on the colors of the grapes as they sit, this is normal. You will also notice that not a lot of the liquid will dissipate during the soaking process, you will have plenty to drain. This is because the skin of the grapes is not very porous, however, the grapes will still take on the flavors of the vodka and Prosecco just fine. The flavor of these grapes is subtle and not overly alcohol heavy, but it's definitely noticeable. The longer you let them soak, the more flavorful they will be.
You can use both green and red seedless grapes or opt for one or another. We like the contrast of color that the two bring to the table when you pair them together. Plus, it offers a slightly different taste between the sweet red and slightly tart green grapes.
Either Prosecco or champagne will work well here, but just about any sparkling wine will do the trick. Feel free to use flavored vodka if you prefer.