Some varieties are grown specifically for their seeds or seed pods, rather than their roots. Tamarind seed oil is the oil made from the kernel of tamarind seeds. It is made of roasted ground sunflower seeds instead of sesame. Some of teas made of fruits, leaves, seeds or roots are enjoyed. Each fruit contains thousands of tiny black vanilla seeds. These mature into fruit (sunflower "seeds"). Cotton fiber grows attached to cotton plant seeds. Plants with traits such as small seeds or bitter taste were seen as undesirable. Some add a handful of soaked fenugreek seeds. The fruit contains tiny, black seeds. None are known to feed on seeds or fruit. The fruit is an oblong to oval flattened capsule containing numerous slender seeds. Hamsters that live in the wild eat seeds, grass, and even insects. Burned areas are favorable to the successful germination of redwood seeds. Chocolate is made from the tropical Theobroma cacao tree seeds.