Chicken Fajita Grilled Cheese

Name: Chicken Fajita Grilled Cheese
Cuisine: American, Mexican, Latin American, TexMex
Ingredients: 1 Tablespoon Butter; 2 Slices Martin’s Potato Bread; 1 Slice Cheddar Cheese (Or 1/4 Cup Shredded); 1 Slice Monterey Jack Cheese (Or 1/4 Cup Shredded); 1/2 Cup Chicken Fajita Filling (recipe below); 1 Pound Chicken Breasts, cut into thin slices; 2 Tablespoons Olive Oil, divided; 1 Lime (~2 Tablespoons of Juice and Zest); 1 Tablespoon Chili Powder; 1 Teaspoon Ground Cumin; 1/2 Teaspoon Oregano; 2 Cloves Garlic, chopped; Salt and Pepper, to taste; 2 Onions, sliced; 1 Green Bell Pepper, sliced; 1 Red Bell Pepper, sliced; 2 Tablespoons Cilantro, chopped