Inspired by 1K Recipes, I’m excited to share this cheesy, flavorful, and easy-to-make Fajita Chicken Casserole recipe with you! Why You’ll Love This Fajita Chicken Casserole.

Fajitas originated squarely in Texas in the 1930s, though their tale is not a particularly glamorous one. In those days, ranch hands were largely Mexican cowboys called vaqueros.