Step 1

Preheat oven to 350°F and grease a 2-qt baking dish with butter or nonstick spray. Set aside.

Step 2

In a large skillet, melt 4 tablespoons of the butter over medium heat. Whisk in flour and cook 1 minute while you continue whisking.

Step 3

Add salt, pepper, dried chives, parsley, and garlic powder, then gradually add milk, whisking constantly, until combined.

Step 4

Bring mixture up to a simmer and continue whisking for 3 minutes. Remove from heat.

Step 5

Add chicken and corn to the sauce and stir to mix well. Transfer to prepared baking dish.

Step 6

Melt remaining tablespoon butter and mix together with cracker crumbs. Sprinkle over casserole.

Step 7

Bake until bubbly and golden brown, about 30 minutes.

Step 8

Let cool 5 minutes before serving. Enjoy!