Pork Roast with Three-Mushroom Ragout

INGREDIENTS

• 1 (3 1/2-ounce) package shiitake mushrooms
• 1/4 cup all-purpose flour
• 1 cup canned crushed tomatoes, divided
• 2 tablespoons chopped fresh or 2 teaspoons dried thyme
• 2 (8-ounce) packages button mushrooms, cut in half
• 1 (8-ounce) package cremini mushrooms, cut in half
• 1 large onion, cut into 8 wedges
• 1/2 ounce sun-dried tomatoes, packed without oil, quartered (about 6)
• 1 3/4 pounds boned pork loin roast
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 5 cups cooked medium egg noodles (about 4 cups uncooked pasta)