What should be the diet after gallbladder surgery?

Normal diet. Most people can resume a normal diet after having their gallbladder removed. A small subset of people will develop diarrhea after fried/fatty foods.
Once your doctor . Gives the ok, and normal healthy diet high in fiber, hi in fluids, avoiding greasy fried foods and processed foods and low in fats is generally a good healthy plan. Having gall bladder out requires no special diet.