Italian Sausage, Spinach, and Ricotta Cannelloni

Name: Italian Sausage, Spinach, and Ricotta Cannelloni
Prep time: 30 min
Cook time: 40 min
Total time: 1 h 10 min
Cuisine: Italian
Ingredients: 1 tablespoon extra-virgin olive oil; 1 medium yellow onion, diced; 8 ounces sweet Italian sausage, casings removed or bulk sausage meat; 1 (10-ounce) box frozen chopped spinach, thawed and squeezed dry; 1 (15-ounce) container ricotta cheese; 1 1/2 cups plus 1/2 cup freshly grated Parmesan cheese; 3 large eggs; Salt and freshly ground black pepper; Fresh Pasta Dough, rolled out and cut into 6 by-7-inch rectangles, recipe follows; 4 cups Simple Tomato Sauce, recipe follows; Fresh basil, for garnish; 2 cups flour; 3 eggs; 1/2 teaspoon salt; 1/2 teaspoon extra-virgin olive oil; 1/4 cup extra-virgin olive oil; 1 medium yellow onion, diced; 3 garlic cloves, peeled and sliced; 3 tablespoons chopped fresh basil or 1 tablespoon dried basil; 2 (28-ounce) cans diced tomatoes; Salt and freshly ground black pepper