In a medium Dutch oven or soup pot, heat oil and sautÃ© onions until translucent.
Turn up heat.
Season chicken with salt and pepper, then add to pot and brown on all sides.
Add curry powder and tomato paste; cook for 1 minute.
Add coconut milk and bring to boil.
Lower heat, and simmer uncovered for 10-15 minutes, or until desired thickness.
Serve over rice or with naan bread.
Top curry with banana, chopped peanuts, yogurt, cucumber and cilantro.