This soda is healthy, sweet and delicious, especially on a warm summer day!  And you can make this with agave or calorie free with Stevia.   You can also make an even quicker soda with unsweetened cranberry juice by adding the sweetener to the juice first, stir, and then add the ice and the seltzer water. Quick Homemade Strawberry Soda 3 cups of frozen strawberries Selter or sparkling water  (I prefer seltzer with no sod...