Ingredient:

• 3 pounds spaghetti squash, halved lengthwise and seeded
• 1 tablespoon vegetable oil
• 1 medium onion, chopped
• 1 (8 ounce) can sliced mushrooms
• 1 teaspoon dried basil
• ¾ cup sour cream
• ¼ cup freshly grated Parmesan cheese
• 3 slices bread, cubed