If using, cook Dr. Praeger’s Fish Taco Bites according to package
Preheat oven to 450F and line a baking tray with parchment paper.
Add red onion, cherry tomatoes, bell peppers, and fish bites (optional) to tray. Roast for 15 minutes, stir, and roast another 10 minutes.
While veggies and fish bites roast, heat tortillas on an ungreased hot skillet until warmed and crisped – about 30 seconds per side.
Remove tray from oven and add red cabbage, cilantro, and black beans. Stir to mix everything up.
Garnish with avocado slices and dig in!