01 -
Bring the chicken broth and 4 cups of water to a simmer in a saucepan and keep warm.
02 -
Melt 4 tablespoons of butter in a pot over medium-high heat. Add the finely chopped onion and cook until translucent, about 4 minutes. Add the arborio rice and thyme, stirring until the rice looks glossy, about 1 minute.
03 -
Add the dry white wine and stir continuously until the liquid is absorbed. Add 1 teaspoon of Kosher salt.
04 -
Gradually ladle in the hot broth, 1/2 cup at a time, stirring constantly and ensuring each addition is absorbed before adding more. Continue this process for 20 to 25 minutes, or until the rice becomes tender.
05 -
Remove the thyme sprigs. Stir in the Parmigiano-Reggiano cheese, the remaining 1 tablespoon butter, 1/2 teaspoon Kosher salt, and pepper to taste. Gently fold in the fontina cheese and diced chicken.
06 -
Divide the risotto into bowls, garnish with freshly chopped parsley and additional grated fontina cheese. Reserve about 2 cups of the risotto for separate use, such as Risotto Cakes.