In a skillet over medium heat, brown the ground beef until fully cooked.
Drain excess fat and stir in taco seasoning.
In a large bowl, combine chopped romaine, black beans, and cherry tomatoes.
Layer the seasoned beef over the vegetable mixture.
Add sliced avocado on top of the beef.
Sprinkle shredded cheese evenly over the salad.
Drizzle salsa over the entire dish.
Add dollops of sour cream to the salad.
Serve the taco salad over a bed of tortilla chips.
Garnish with fresh cilantro if desired.