Using a mix of red and green cabbages makes these refreshing vegetarian tacos even more colorful. Slideshow: Taco Recipes
Toss together the cabbage, lime juice and cilantro in a medium bowl. Season to taste with salt and pepper.
Using a fork, mash 1 avocado quarter over each tortilla. Season with salt. Top with some of the cabbage mixture and queso fresco. Garnish with lime wedges and serve immediately.