Preheat the oven to 190 degrees F.
Whip the egg whites until fluffy using a standing or hand held mixer. While on high speed, add 1/2 of the sugar. Slow to low speed and add the remainder of the sugar. Beat for 3 more minutes.
Add the raspberry powder by hand and mix with a spatula. Place the mixture into a pastry bag. Place a piece of parchment paper onto a baking sheet. Using the pastry bag, create round domes with the mixture.
Place in the oven at for 2 1/2 hours. Keep oven on. Remove from the oven and scoop out the insides with a spoon. Place back onto baking sheet and cook again for 1 hour at 190 degrees F.
Let cool and store in a dry place.
For Raspberry Sauce:
Blend 1 basket of fresh raspberries with sugar to taste. (Frozen raspberries may be substituted).