Chicken Gorgonzola Quesadillas

Details

Ingredients

• 2 large skinless, boneless chicken breast halves, cut into bite-size pieces and pounded thin
• salt and ground black pepper to taste
• 1 tablespoon olive oil, or as needed
• ½ onion, chopped
• 2 cloves garlic, minced
• 2 flour tortillas, or more as desired
• 1 (5 ounce) package crumbled Gorgonzola cheese
• 1 cup cooked spinach