01 -
Gently simmer chicken in 360 milliliters of chicken broth over low heat for approximately 15 minutes until fully cooked.
02 -
Remove chicken from broth, shred finely, and set aside. Reserve the remaining broth for later use.
03 -
In a large skillet, melt butter over medium heat. Sauté diced onions for 4 minutes until translucent, then add minced garlic, salt, black pepper, and dried thyme. Cook for an additional minute to release aromas.
04 -
Sprinkle all-purpose flour over the mixture and stir continuously for 2 minutes to form a roux.
05 -
Gradually pour in 240 milliliters of the reserved chicken broth and half-and-half, stirring constantly to prevent lumps.
06 -
Add shredded chicken to the skillet and allow the mixture to simmer for 10 to 15 minutes, adding additional broth as needed to achieve desired consistency.
07 -
Stir in frozen mixed vegetables and cook until heated through. Remove from heat.
08 -
Set oven temperature to 230°C (450°F) to prepare for baking.
09 -
Transfer the chicken and vegetable mixture to a baking dish if necessary. Spread mashed potatoes evenly over the top, creating texture using a fork if desired.
10 -
Bake uncovered at 230°C (450°F) for 10 minutes to heat through and meld flavors.
11 -
Broil at 288°C (550°F) for 3 to 4 minutes until the potato topping is golden brown.
12 -
Allow to rest for 5 minutes before serving. Garnish with chopped fresh parsley.