1 spaghetti squash (about 3 pounds), halved lengthwise
Coarse salt and freshly ground pepper
1 tablespoon plus 1 teaspoon extra-virgin olive oil
1 onion, finely chopped
2 garlic cloves, minced
1 1/2 teaspoons chopped fresh oregano
1/2 ounce grated Parmesan cheese (3 tablespoons)
Alessi Tomato Paste 4.9 Oz
$1.39 for 1 item thru 11/06

1 tablespoon dried breadcrumbs
8 ounces lean ground turkey
8 ounces mixed mushrooms, such as shiitake, cremini, and oyster, cut 1/4 inch thick (about 3 cups)
1 cup homemade or store-bought low-sodium chicken stock
4 ounces baby spinach (about 5 cups), washed well