Which crop was introduced to Europeans during the Columbian Exchange?

One of the key crops introduced to Europeans during the Columbian Exchange was the potato. Originating in the Andes region of South America, the potato became a staple food in Europe, significantly impacting agricultural practices and diets. Its introduction contributed to population growth and changes in culinary traditions across the continent. Other notable crops exchanged included tomatoes, maize, and tobacco, which also played important roles in European diets and economies.