What is "iceberg lettuce"?

Iceberg lettuce is a type of lettuce with a crisp texture and mild flavor. It is known for its tightly packed, round head of pale green leaves that form a compact shape. Iceberg lettuce is commonly used in salads, sandwiches, and wraps due to its refreshing crunch and ability to hold up well to dressings and other ingredients. While it is not as nutrient-dense as other leafy greens like spinach or kale, iceberg lettuce still provides some vitamins and minerals, including vitamin K and folate.