Put the drained beans, jarred salsa, and taco seasoning in a food processor and blend into a paste
Heat canola oil in a cast iron skillet
Put a scoop of black bean mixture onto each tortilla, spread it across half the tortilla, top with cheese and red onion slices. Fold the tortillas over into a taco.
Fry the tortillas in the hot oil until golden brown, about 2 min per side
Serve immediately
