For black beans: Cook in their juice in a saucepan over medium heat for a few minutes. Drain and return to saucepan. Spray with Bragg's liquid amino acids. Add cayenne, chili powder, and cumin to taste. Stir and reheat until heated through. For frozen corn, if using: In a saucepan, bring a little layer of water to a boil. Add about a half a bag of frozen corn. Put a lid on it and simmer until warmed.