04Add 1/2 cup of the stock and gently stir over medium heat until it is mostly absorbed. Continue with the remaining liquid, adding 1/2 cup at a time as the rice dries, stirring and scraping the rice off the bottom and sides of the pot.05When 1 cup of the stock remains, add half of it, along with the radicchio; stir 2 minutes. Pour in the remaining stock and stir briefly. Smooth the top of the rice and place the raw shrimp on top. Add the salt and pepper to taste.06Cover the pot. Over low heat, steam until the shrimp are done, about 5 minutes. Remove the pot from the heat; stir. Serve, adjusting the salt and pepper to taste.