Combine the Beet-Carrot-Apple Juice, gin and Campari in a cocktail shaker filled with ice. Shake vigorously for 8 to 10 seconds. Strain into a tall glass filled with ice. Garnish with the apple slice.
Beet-Carrot-Apple Juice:
Yield:8 to 10 ounces
Juice, in this order, the beets, apple and carrots, following your juicer's specific settings for each. Serve the juice immediately over ice, if desired.