Indian cuisine in introducing certain foods to this country. For instance, potato, a staple of the diet in some regions of India, was brought to India by the Portuguese, who also introduced chillies and breadfruit. Indian cuisine has shaped the history of international relations; the spice trade between India and Europe was the primary catalyst for Europe's Age of Discovery. Spices were bought from India and traded around Europe and Asia. Indian cuisine has influenced other cuisines across the world, especially those from Europe, the Middle East, North Africa, sub-Saharan Africa, Southeast Asia, the British Isles, Fiji, and the Caribbean. Indian cuisine
Indian cuisine "rajma" (kidney beans), and "lobiya" (black-eyed peas) are very common, especially in the northern regions. "Channa" and "moong" are also processed into flour ("besan"). Many Indian dishes are cooked in vegetable oil, but peanut oil is popular in northern and western India, mustard oil in eastern India, and coconut oil along the western coast, especially in Kerala and parts of southern Tamil Nadu. "Gingelly" (sesame) oil is common in the south since it imparts a fragrant, nutty aroma. In recent decades, sunflower, safflower, cottonseed, and soybean oils have become popular across India. Hydrogenated vegetable oil, known as "Vanaspati ghee", is