Hull and coarsely mash strawberries. Peel and finely chop peach. Combine strawberries, peaches and sugar in a microwavable 13x7x2-inch dish.
Let stand for 10 minutes. Microwave on high 12-14 minutes, stirring every 4 minutes. Stir in lemon juice and let cool to room temperature. Put in pint jar and refrigerate.Servings: