Roasted Vegetable Lasagna

Bahan-bahan (12 porsi)

• 9 lasagna noodles
• ¼ cup grated Parmesan cheese
• 1 ½ cups shredded mozzarella cheese
• 3 cups marinara sauce (or pasta sauce)
• 28 ounces canned diced tomatoes (drained)
• 1 large eggplant (cut sliced ¼-inch thick)
• 3 bell peppers (seeded and quartered, any color)
• 2 medium zucchini (sliced ¼-inch slices)
• 3 tablespoons olive oil
• 1 teaspoon Italian seasoning
• 2 cups ricotta cheese
• 5 ounces frozen chopped spinach (thawed and squeezed dry)
• 1 cup shredded mozzarella cheese
• 1 large egg (beaten)