Savory Chicken Empanadas: Flaky, Flavorful, and Perfectly Baked

Ingredients:

For the Chicken Filling:

2 cups cooked, shredded chicken (rotisserie chicken works great!)
1/2 cup onion, finely chopped
1/4 cup bell pepper, finely chopped (red or green)
2 cloves garlic, minced
1/2 cup tomato, diced
1/2 cup frozen peas and carrots (or mixed veggies)
1 tbsp olive oil (for sautéing)
1 tsp ground cumin
1/2 tsp chili powder
1/4 tsp smoked paprika
1/4 tsp salt (adjust to taste)
1/4 tsp black pepper
2 tbsp cilantro, chopped (optional for garnish)
For the Empanada Dough:

2 1/2 cups all-purpose flour
1 tsp salt
1/2 cup cold unsalted butter, cubed
1/4 cup cold water (adjust as needed)
1 egg, beaten (for egg wash)
How to Make:

Prepare the Chicken Filling: