In a blender, blend together your fruit and the yogurt. How much yogurt you use depends on how many individual yogurts you will yield. I put in around 1 and 1/2 cups of yogurt and got 7-8 individual yogurts.
After blending these two ingredients, blend in your sweetener. Or you can also omit this step and just use the fruit and yogurt.
Pour into the popsicle containers to the "fill line" as they will expand when frozen. I was going to use a funnel but instead just pinched the opening wide and poured the mixture right in.
Freeze until hard and ready to serve.