Step 1

In a medium bowl stir together yogurt, sugar, lemon juice, vanilla, and salt. Whisk until smooth.

Step 2

Freeze the yogurt mixture in a 1 1/2- to 2-quart ice cream maker according to the manufacturer's directions.

Step 3

Puree peaches; swirl into yogurt mixture and place in an airtight container. Freeze for 2 to 4 hours or until firm. Keep frozen until serving time (up to 1 week). Let stand at room temperature for 5 to 15 minutes before serving.