Fajita Quesadilla

Ingredients (13)

• 2 pounds boneless skinless chicken breast, diced into small 1/4-inch pieces
• 1.12 ounces Fajita seasoning, I used McCormick brand
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 2 tablespoons olive oil
• 11/2 cups yellow onion, small diced
• 11/2 cups red bell pepper, small diced
• 11/2 cups green bell pepper, small diced
• 17.5 ounces soft taco size flour tortillas (10 pack), I used Mission brand
• 3 tablespoons unsalted butter, softened
• 8 ounces Colby jack cheese, shredded
• 8 ounces mild cheddar cheese, shredded
• sour cream guacamole, salsa, or cilantro (optional sides)