Grandma's Baked Eggplant Parmesan - The Seasoned Mom

Name: Grandma's Baked Eggplant Parmesan
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Yield: 4
Ingredients: 1 Eggplant, small; 1 Egg, large; 1/2 cup Corn flakes cereal crumbs; 1 cup Marinara sauce; 1 Dash Black pepper, ground; 1/2 tsp Kosher salt; 3 tbsp Butter, salted; 2 oz Mozzarella cheese; 1/4 cup Parmesan cheese, grated