Preparation time: 10 minutes
Thawing time: 30 minutes
Cooking time: None

Coulis

1. In a blender, purée the frozen raspberries with the powdered sugar and lemon juice.
2. Set the coulis aside for 30 minutes until thawed.

Carpaccio

1. Halve and pit the avocados; peel them and slice thinly.
2. Peel the grapefruit, removing all the white pith, and cut into skinless seedless sections.
3. Divide the grapefruit sections between 4 plates, interspersing them with avocado slices.
4. Drizzle with the raspberry coulis.
5. Chop the pistachios coarsely and sprinkle on top. Serve cold.