Step #1 Start with frozen fruit & you'll have a delicious, fresh, tasting frozen yogurt 5 mins later.
Step #2 For convenience, you can use commercially packaged.
Step #3 mixed frozen fruit; strawberries, bananas and blueberries (alone or as a combination) are delicious, but avoid seedy fruits, such as raspberries.
Step #4 In a food processor/blender, mix frozen fruit & sugar.
Step #5 Using an on/off motion, process until coarsely sliced.
Step #6 stir this together yogurt & lemon juice.
Step #7 With the machine running, slowly pour the yogurt mixture through the feed tube.
Step #8 Process until smooth & creamy, scraping down the sides of the work bowl once or twice.
Step #9 Scoop the frozen yogurt into freezer-proof serving dishes, cover and freeze 15 to 30 mins to firm up slightly.