Step 1

Preheat oven to 350°F and grease a 9x13-inch baking dish with nonstick spray.

Step 2

In a skillet over medium heat, melt butter. Add onion and celery and cook until soft, about 10 minutes. Season with salt and pepper.

Step 3

Pour veggies (along with any melted butter) into bottom of baking dish.

Step 4

Arrange chicken evenly over the top.

Step 5

In a medium bowl, stir together Bisquick and milk. Pour over the top of the chicken but do not stir.

Step 6

In the same bowl, if desired, stir together chicken broth and cream of chicken soup. Season with salt and pepper and thyme, then pour over Bisquick layer. Do not stir.

Step 7

Bake uncovered for 45 minutes. Let rest 5 minutes before serving. Sprinkle with fresh parsley and enjoy!