I have to make smoothies for my health class and I need recipies.

I wanted to put in rasberries and strawberries.
but i dont know what else to add to it and how much of it!
it has to serve 12 people.

add vanilla ice cream!! its always makes it taste realllly creamy and sweet!!!

umm well i guess it depends on how much you are going to give each one. you could go to party city and buy those little plastic cups. if you do that. i think about 1 1/2-2 pitchers worth. you could add bananas and peaches. then it would be kind of a tropical smoothie.