1 Place The Strawberries, Lemon Juice, Salt, And Sugar In A Medium Saucepan. Heat On Medium Heat, Stirring, Until The Sugar Has Completely Dissolved. Use A Potato Masher To Mash Up The Strawberries As The Mixture Is Heating. As Soon As All Of The Sugar Has Completely Dissolved, Remove From Heat And Let Sit For 10 Minutes. 2 Stir In The Milk And Yogurt, Until Completely Incorporated. Place The Mixture In The Refrigerator, And Chill For At Least An Hour, Preferably Several Hours, Until Completely Cold, Before Proceeding. 3 Process The Mixture In Your Ice Cream Maker (Amazon Sells A Good One) 20 To 25 Minutes. Eat Immediately Or Keep In Freezer Until Served.