Preheat broiler. Line a baking sheet with foil
Slice grapefruit into ¼ to ½ inch slices, width-wise.
Remove rind from each slice using a paring knife.
Transfer slices to foil-lined baking sheet using a spatula. (They are very delicate)
Sprinkle each slice with a small amount of sugar.
Place slices approximately 4 inches under broiler for approximately 5 minutes, or until edges are golden.
While grapefruit cooks, chop pistachios into small pieces.
Remove grapefruit from oven.
Divide grapefruit slices between two serving plates.
Top grapefruit with a small dollop of yogurt.
Drizzle honey over yogurt.
Sprinkle with chopped pistachio.
Eat immediately to enjoy the warmth of the grapefruit