1 cup 100% grape juice made with Concord grapes, divided
½ cup seltzer
Instructions
Place grapes into a re-sealable container and pour in ½ cup 100% grape juice. Cover and refrigerate for at least 1 hour. Remove grapes from refrigerator and thread 2 grapes onto each of 4 toothpicks. Place in a freezer-safe container for 2 hours until frozen.
Pour remaining ½ cup 100% grape juice into a martini glass. Add seltzer. Garnish mocktail with frozen grapes and serve.