Add some oil to a pot over medium to high heat, brown the mince and season with salt, then take them out and set aside.
Add some oil to the same pot, cook the vegetables until they are softened, while cooking season with salt.
Add mince back in with vegetables, then the sauce, continue to cook over low heat until the sauce become rich and thick. (add a little water or pasta water if the sauce gets too thick)
Step 2: Spaghetti
Boil spaghetti in a pan of boiled water until they are soft.