Good-Cooking - Zucchini Lasagna On the Grill

Ingredients

• 2 to 3 large zucchini, sliced thin on a Chinese mandoline
• Tomato Sauce (recipe follows)
• 1 1/2 cups ricotta
• 2 cups grated mozzarella
• 1 to 2 cups fresh grated Parmesan cheese
• 1 tablespoon olive oil
• 1/4 cup finely minced garlic
• 1 cup coarsely chopped onion
• White or red wine (optional)
• 1 (28 ounce) can plum tomatoes
• 1 teaspoon dried oregano
• 3 tablespoons tomato paste
• Salt and pepper to taste