Fresh vegetables and fruits are common ingredients. Main crops include wheat, sugar beets, potatoes, cotton, tobacco, vegetables, and fruit. Salads consisting of raw vegetables or fruits are common in many cuisines. It is a vegetarian sauce made from vegetables and fruits. Potassium is present in all fruits, vegetables, meat and fish. Stew is cooked with various vegetables and seasonings. Okra and roux are cooked before other vegetables and seafood. Gumbo uses similar sausages, meats, seafood, vegetables and seasonings. Serotonin is found in mushrooms, fruits and vegetables. Yogurt salads, fish in olive oil, sherbet and stuffed and wrapped vegetables became Turkish staples. Typical Iranian main dishes are combinations of rice with meat, vegetables, and nuts. Rice with local seasonal vegetables and fish form the main diet. It is also stir-fried or stewed with other vegetables and meat. Folate is abundant in green leafy vegetables, legumes, and citrus. It is rice porridge served with ample amount of vegetables.