Could be something you grew up with, something you learned, etc.
Grolled cheese sandwich and vegetable soup.
Indomie Noodles π€€
A crushed up bag of maruchan with some cut up hot dogs
Beans and rice, or a fried egg over rice. Good filling add a few cheap veggies and you have a pretty banger meal. The egg and rice is a go to lunch for me tbh because I just like it that much.
Shepherds pie