Easy Eggplant Lasagna - How to Make Vegetarian Eggplant Lasagna

Ingredients

• 2 medium eggplants, about 6" to 8" long
• kosher salt
• 1 tbsp. extra-virgin olive oil
• 3 cloves garlic, minced
• 1 yellow onion
• 2 tsp. dried oregano
• Freshly ground black pepper
• 1 25-oz. jar marinara
• 16 oz. whole milk ricotta
• 1/2 c. freshly grated Parmesan
• 1 large egg
• 1/4 c. chopped fresh parsley, plus more for garnish
• 4 c. shredded mozzarella