Heat a large heavy-bottomed saucepan
and cook the salt pork over medium-high heat until crisp
. Add the red and green peppers
, onion, and garlic and cook 3 to 4 minutes. Add the rice and stir, coating the rice with drippings
. Stir in the tomatoes
, tomato paste
, water, salt, and black and cayenne pepper. Cover and simmer
until the rice is tender and the liquid is absorbed, about 25 to 30 minutes.