Step 1

Preheat oven to 350 degrees.

Step 2

Cut chicken into bite-sized pieces and sprinkle lightly with salt and pepper.

Step 3

Melt butter in a dutch oven or large pot over medium heat. Add the chicken, onions, and celery and toss to coat. Sauté for 3 minutes, until chicken is about halfway done, then add the broccoli and 1 Tbsp olive oil.

Step 4

Cook for 3-5 more minutes, until the chicken is cooked through. Remove from heat.

Step 5

Add the cream of chicken soup, sour cream, milk, seasonings, and half of the cheese. Stir to combine.

Step 6

Transfer to a lightly greased 9 x 13 casserole dish and top with remaining cheese.

Step 7

Cover and bake for 20 minutes. Remove and increase heat to 400 degrees.

Step 8

Combine the melted butter and Ritz crackers. Sprinkle over the casserole and bake for 8-10 minutes, until the top is golden brown. Remove and let it sit for 5 minutes prior to serving.

Step 9

Serve over rice, biscuits, or mashed potatoes.