For the beans: To a medium size mixing bowl, add refried beans, chili powder, cumin, sea salt, ground black pepper, paprika, garlic powder, onion powder, and dried oregano.
For the guacamole: To a medium mixing bowl, add avocados and mash with a fork to desired consistency. Stir in cilantro, lime juice, and sea salt.
Into a 9” x 13” serving dish, layer refried beans, guacamole, sour cream, lettuce, tomatoes, black olives, and green onions.
Cover and refrigerate 1 hour. Serve chilled or room temperature.