To make the chipotle cream sauce, whisk together sour cream, chipotle paste, garlic, lime juice and salt; set aside.
In a large saucepan of 1 ½ cups water, cook rice according to package instructions; let cool and stir in salsa; set aside.
To assemble the bowls, divide rice mixture into serving bowls; top with lettuce, corn, black beans, tomatoes, avocado and cilantro.
Serve immediately, drizzled with chipotle cream sauce.
