best risotto recipe

Ingredients: 6 cups chicken broth (or vegetable broth for a vegetarian option) 3 tablespoons olive oil 1 pound portobello mushrooms, thinly sliced 1 pound white mushrooms, thinly sliced 2 medium shallots, diced 1 ½ cups Arborio rice ½ cup dry white wine 4 tablespoons butter 3 tablespoons chives, finely chopped