This makes 2 cups of smoothie. You can split it if you are willing to share. If you do not like tofu or do not have any add almond milk, soy milk or coconut milk if you want vegan, Lactose-Free and non-dairy option, or regular (low fat) milk. However, if you will add milk, skip the water. No need to add water, only 5 FL Oz of milk will be enough. I did NOT try it with canned pineapple. I think it will be fine to use it instead of fresh pineapple and a bit sweeter. You can even add a little bit of pineapple juice if you like sweeter smoothies. I did not add any sugar...it was sweet to me, but it's up to you if you would like to add sweetener.