Lazy Chicken Parmesan Grilled Cheese

Prepare the Chicken Mixture:
In a bowl, combine the cooked chicken, marinara sauce, mozzarella cheese, Parmesan cheese, dried oregano, garlic powder, salt, and pepper. Mix until everything is evenly combined.
Assemble the Sandwich:
Lay one slice of bread flat on a clean surface. Spoon a generous amount of the chicken mixture onto the bread, spreading it evenly. Top with the second slice of bread to form the sandwich.
Heat the Pan:
Heat the olive oil or butter in a skillet over medium heat until melted and hot.
Cook the Sandwich:

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