Mexican food history way is as other ancient ones, such as those of China and Japan, with techniques and skills developed over thousands of years of history. It is created mostly with ingredients native to Mexico, as well as those brought over by the Spanish conquistadors, with some new influences since then. In addition to staples, such as corn and chile peppers, native ingredients include tomatoes, squashes, avocados, cocoa and vanilla, as well as ingredients not generally used in other cuisines. Vegetables play an important role in Mexican cuisine. Common vegetables include zucchini, cauliflower, corn, potatoes, mushrooms, jitomate (red tomato), green tomato, etc. Other traditional vegetable ingredients include chiles, huitlacoche (corn fungus), huauzontle, and nopal (cactus leaves) to name a few.