Heat a large skillet over medium heat.
Add ground beef and sauté, breaking it apart with a spoon, until browned and cooked through, about 7-8 minutes.
Drain excess fat if needed.
Stir in taco seasoning and 1/4 cup water; cook for 2-3 minutes until seasoning is well incorporated and sauce thickens slightly.
Remove from heat and set aside.
In a wide shallow bowl, layer chopped romaine lettuce evenly.
Arrange cherry tomatoes, black beans, and corn kernels in distinct sections over the lettuce.
Add the cooked ground beef over the veggies.
Sprinkle shredded cheddar cheese evenly across the top.
Place tortilla chips around the edges of the bowl for a crunchy border.
Serve with dollops of sour cream and salsa on the side or drizzled on top as preferred.