my son is not eating egg... May I know substitute of egg

A. Your child's diet should include plenty of milk, eggs, and lean meats. Soy, amaranth, and quinoa are also high-quality proteins that can serve as a vegetarian alternative. Protein-Rich Foods A 1-inch cube of cheese. 1 ounce of meat, poultry, or fish. 1 large egg. 1/4 cup tofu. 1/2 cup cooked beans or lentils.