Brown ribs on all sides with 2 tablespoons vegetable oil in pan. Season with salt and pepper. When done put in braising pot.
Using the same pan, brown onions, garlic and ginger until fragrant. Add to braising pot with ribs.
Pour 8 cups of water in pot, bring it up to a boil. Add 1 bottle red curry paste, the mashed bananas and fish sauce. Bring it back up to a boil again. Turn heat lower, cover and simmer ribs for approx. 2 ½ hours (or until tender).
Before serving, add one can of the coconut milk, heat until sauce is warm. Do not let the coconut milk come to a boil.