Pour vodka into a ½-gallon glass canning jar with lid; set aside.
2
Rinse raspberries and mint; pat dry with paper towels. Add raspberries and mint to jar with vodka; gently stir to combine. Place lid on jar. Store at room temperature for 3 to 7 days, turning jar occasionally.
3
To serve, line a fine-mesh sieve with cheesecloth; set sieve over a bowl. Strain vodka mixture through the cheesecloth-lined sieve. Discard raspberry and mint. If necessary, repeat straining until the vodka mixture is no longer cloudy. Store strained vodka in a tightly covered clean jar in refrigerator for up to 1 month. Serve in your favorite cocktail.