Preheat oven to 350

Shred chicken off the bone.

Combine sour cream, cream of chicken soup, & Sprite. Mix until well blended.

Add the shredded chicken and be sure well mixed.

Pour into a casserole dish (sprayed with Pam). Cook at 350 for about 15 minutes.

Crush ritz in a bowl add the poppyseeds and mix.

Put ritz over the chicken mixture and melt just about 1/4 cup butter & drizzle over ritz.

Bake at 350 until ritz is brown.