Mint Dark Chocolate Chip Frozen Yogurt

Blend yogurt, milk, sugar, and peppermint extract in a food processor and puree until smooth, about 30 seconds.

Transfer yogurt mixture to ice cream maker and freeze according manufacturer's directions.

Transfer the frozen yogurt mixture to a 1-quart container and fold in chocolate chips. Freeze mixture for 2 hours; stir to evenly distribute chocolate chips and freeze until hardened, about 2 hours.