that is so bland
The vegetables tasted bland so she put butter and salt on them.He uses a lot of spices when he cooks so nothing that comes from his kitchen is ever bland.
The oatmeal tasted bland; it needs more salt.
the food tasted very bland
Without any added condiments, mashed potatoes can taste very bland. (In this instance, bland means "without strong flavor or taste".)
The soup has no seasoning, it tastes bland.