Cut the mangoes into cubes. Put the cubes into the food processor.
Add in the plain yogurt...
...and the ice cubes.
Finally, add in the sugar.
Grind everything up into a puree. Pour the puree into a shallow freezer safe pan.
Pop the whole thing into the freezer and let it sit for about 4 hours or so. Scoop it out and plop it into the food processor .
Grind it up until it turns to ice cream. Place it in serving dishes and you're good to go.
So there you have it, fast with a minimum of ingredients and effort. Anyone can make this, all you need is a food processor or blender and you've got ice cream!