Place a small pot or skillet over medium-low heat.
Add the olive oil followed by the minced garlic. Cook for 1 to 2 minutes, just to until the garlic begins to brown.
Place beans and liquid in a pan with the cumin, coriander, garlic powder, and chili powder.
Heat over medium-low heat until the majority of the liquid has been absorbed. Taste and add salt as needed.
Heat the tortillas until soft and cut the avocado into slices. Assemble the tacos with ¼ of the bean mixture, a few slices of avocado, a sprinkle of goat cheese, and desired toppings.