Mince garlic. Core and seed pepper, then coarsley chop. Finely chop onion. Lightly coat a large frying pan with oil and set over medium heat. Add garlic, pepper and onion. Stir often until onion starts to soften, about 4 minutes.
Meanwhile, rinse and drain black beans. Measure out chili powder, cumin, oregano, salt and cayenne. Add beans and corn to pan. Sprinkle with spice mix. Stir occasionally until heated through, 4-5 minutes. Stir in coriander and salsa. Squeeze lime juice over top and stir to mix evenly.
Spoon warm black bean filling eveny down centre of each warmed tortilla. (see tip for warming below) Sprinkle with your favorite toppings (see suggestions below). Wrap tortilla around filling and serve.
Tip for warming: Wrap together in foil and place in a preheated 350 oven until warm. OR stack tortillas on a paper towel in the microwave and warm on high for 30 seconds.
Burrito dress-ups: Consider grated light Monterey Jack or cheddar cheese, shredded lettuce, chopped tomatoes and light sour cream or yogurt.