In a container with a lid mix the sugar, soy sauce, chile paste, lime juice, sesame oil, and garlic cloves. Add the steak and cover. Refrigerate at least 4 hours.
Meanwhile, chop the cabbage and place it in a bowl along with the garlic cloves.
In a small saucepan combine the rice vinegar, soy sauce, sugar, and chile paste. Bring to a boil and then pour over top of the cabbage. Toss to coat. Allow to sit for at least 30 minutes.
Heat the olive oil in a large skillet over medium heat. Add the steak and sprinkle with the black pepper. Saute for 4-5 minutes or until the steak is cooked through.
Place the steak on a tortilla and top with the pickled cabbage.
Sprinkle with green onions and cheddar cheese then top with sour cream.