1 package (10 ounces) frozen strawberries, thawed½ cup raspberries (fresh or frozen)1 teaspoon vanilla extract1 tablespoon lemon juice1 quart vanilla-flavored frozen yogurtWater (optional)In blender or food processor, combine strawberries, raspberries, vanilla and lemon juice. Blend or process until smooth.Spoon yogurt into 4 dessert dishes and top with strawberry sauce. Sauce can be covered and stored in refrigerator up to 4 days.Note: Recipe yields a thick sauce. If thinner sauce is desired, add 1 tablespoon of water to blender or processor until desired consistency is reached.