I've had that thought about a simple brazilian meal as well: I don't get tired of rice, beans and a steak.
I wish I could have pingado (espresso with milk) and pão francês na chapa (a grilled bread with margarine or cream cheese). Dinner would be the left overs of lunch, of just some salad, bread, turkey... never get tired of it.
eating the same meal twice in a row makes me not want it again for weeks. there are also very few foods that i won't eat, so maybe that's correlated with the love of variety.
(variety in) food is such a simple pleasure for me that i guess i will never understand this behavior.