I've recently taken a liking to greek yogurt. So far, I've been buying the Chobani low-fat and non-fat yogurts, which all have flavoring added. I've recently bought a container of plain greek yogurt, and I was surprised at how bitter and flavorless it tasted in comparison.
So, my question is, how can I "manually" flavor and/or sweeten plain greek yogurt? This is for someone who doesn't cook much, so instead of saying "add banana", how would I do that? Puree it? Mash with a fork? I assume simply sticking a banana in the yogurt and calling it a day isn't the right approach. Thanks!
EDIT: To provide some more detail, in my head, there's a difference between "fruit-flavored yogurt" and "yogurt with a piece of fruit in it". This question is an attempt to figure out how to achieve the former and not the latter.
Regarding flavoring, I'm specifically interested in the following fruit: banana, strawberry, pineapple. I'm not sure how different the process would be to incorporate the different fruits in, but that's what I'm looking for.