Crock pot pork chops

Crock pot pork chops 4 large bone-in rib pork chops 1 tbs butter 8 oz sliced mushrooms 1 can (10.75 oz) cream of mushroom soup 1 envelope pork gravy mix 1/2 cup water 1/3 cup sour cream Mix the soup and the gravy mix in a small bowl. Add to the slow cooker. Add mushrooms on top of soup mixture. Brown pork chops in butter in a large skillet. Transfer to slow cooker after browning, placing on top of soup/mushrooms Deglaze the skillet with the ½ cup water; pour over pork chops in slow cooker. Cover and cook on low 6-8 hours. Remove pork chops to serving platter. Mix in the ⅓ cup sour cream, mixing until smooth. Serve sauce on top of chops.