Easy Slow Cooker Chicken Parmesan - Set It and Forget It - Quickie Recipe

Ingredients

• 4 chicken cutlets.
• 1 egg.
• 1/4 cup whole milk.
• 1/2 cup Italian breadcrumbs.
• 1/4 cup parmesan cheese, grated.
• 1 teaspoon salt.
• 1/2 teaspoon black pepper.
• 1/4 cup olive oil.
• 1 jar (22 oz) marinara sauce.
• 3/4 cup mozzarella cheese, shredded.