Dissolve stock cube in boiling water. Break spaghetti in half and add to boiling water until done.
Over medium heat empty can of corned beef onto a frypan. Add spaghetti sauce to meat. Stir until heated; corned beef will come apart and a thick sauce will form. If desired, add Italian seasoning, garlic powder, dry onion or any other spices.
Once pasta is done, drain and combine with corned beef sauce.