Spaghetti Squash with Meat Sauce Recipe Type: Entree Serves: 4 Ingredients 1 medium spaghetti squash 1 pound lean ground beef 1 medium onion, chopped 1 cup mushrooms, sliced 1 (16-ounce) can tomato puree 1 teaspoon ground fennel 2 garlic cloves, crushed Instructions Preheat the oven to 350°F. Cut the spaghetti squash in half, lengthwise, and