Mix the fresh raspberries (keep 4 for later) and add a third of powdered sugar. Pass everything through a Chinese to remove the seeds.
Combine the yogurt and the remaining two-thirds of the powdered sugar. Pour this mixture into the ice cream maker or ice cream maker and turn on for cooling to begin.
When the ice cream is almost set, gradually add the raspberry coulis and the remaining raspberries in pieces. Continue cooling until the ice cream is definitively set, it will be very smooth when it comes out of the machine.
To taste in a cone or in a ramekin, as you prefer.
Notes
Can be stored in the freezer for about 1 week, in an ice cream container surrounded by cling film.