In Vietnam we often say "when you are very hungry, rice is also delicious to you".
When you are full, food doesn't taste good to you.
But when you are hungry, even the most boring food tastes good to you.
In Vietnam, rice on its own is the most boring food to eat.
In Western country, what kind of food is the most boring to eat but it tastes good when you are hungry?
I assume bread on its own is the most boring food to eat in the West.
Do you have an expression saying "when you are very hungry, bread is also delicious to you" or similar one?
I am looking for a similar common expression in English. An expression that most native English speakers often say