Vegetable Lasagna

Ingredients

• 1/4 cup olive oil
• 1 medium sweet red pepper, julienned
• 1 medium carrot, shredded
• 1 small onion, chopped
• 5 plum tomatoes, chopped
• 1-1/2 cups sliced fresh mushrooms
• 1 small yellow summer squash, cut into 1/4-inch slices
• 1 small zucchini, cut into 1/4-inch slices
• 3 garlic cloves, minced
• 1 can (12 ounces) tomato paste
• 1 cup vegetable broth
• 2 tablespoons brown sugar
• 2 teaspoons dried oregano
• 2 teaspoons dried basil
• 1 teaspoon salt
• 1/2 teaspoon dried thyme
• 1/4 teaspoon pepper
• 6 lasagna noodles
• 1 large egg, lightly beaten
• 1 cup ricotta cheese
• 1 cup shredded part-skim mozzarella cheese
• 1/3 cup shredded Parmesan cheese
• 2 teaspoons Italian seasoning