Brussels sprouts: Many children find their slightly bitter taste unappealing, but as adults, they often enjoy them when prepared in different ways.
Spinach: Children may be put off by the earthy taste and texture, but as they grow older, they come to appreciate its nutritional value and versatility in cooking.
Mushrooms: The unique texture and earthy flavor of mushrooms can be an acquired taste for some, but many adults grow to enjoy them in various dishes.
Olives: The strong and briny flavor of olives can be off-putting to kids, but as their palates mature, they may start to appreciate the taste.
Blue cheese: The intense and pungent flavor of blue cheese can be too much for young taste buds, but it becomes a delicacy for some as they get older.
Remember that taste preferences vary from person to person, and not everyone may change their opinions about these foods as they grow up.