In a small pot, heat olive oil over medium heat. When the oil is hot, add the garlic and cook, stirring, until fragrant but not browned, about one minute. Add the black beans with their liquid and the cilantro. Bring to a bubble and reduce the heat to low. Allow to simmer for 15 minutes or until hot and thickened slightly. Discard the cilantro.

In a bowl, layer rice, black beans, corn, cheese, tomatoes, and avocado. Add a squeeze of lime juice and sprinkle with cilantro.