I always thought it was because you could eat the soup from the container, and so you plan to have it in a container that fits a spoon. Tight corners means that soup may get stuck in the corner, unreachable by the spoon.
They are talking about tupperware. You're not going to heat up soup in tupperware because that's insane. But no one is putting leftover soup in a square tupperware because that's asinine.
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u/Captain_Gordito 13h ago
I always thought it was because you could eat the soup from the container, and so you plan to have it in a container that fits a spoon. Tight corners means that soup may get stuck in the corner, unreachable by the spoon.
Soup is round, because spoons are round.