Risotto with grain

1 1/2 pounds butternut squash, peeled, seeded, and cut into 1/2-inch cubes (about 3 1/2 cups) Cooking spray 2 cups fat-free, less-sodium chicken broth 1 1/3[...]

4 tablespoons unsalted butter 1 small onion , finely diced 3 medium yellow squash, diced (yellow zucchini, crookneck, or pattypan squash) 2 cups arborio rice[...]

1 1/2 cups boiling water 1/2 cup dried porcini mushrooms (about 1/2 oz) 1 (14 ounce) can reduced-sodium beef broth or 1 (14 ounce) can vegetable stock or 1[...]