In a medium saucepan, bring 2 cups of water to a boil. Add the rice, reduce heat to low, cover, and simmer for 15-20 minutes until rice is tender and water is absorbed.

In a large skillet over medium heat, cook the ground beef until browned, breaking it apart with a wooden spoon, about 5-7 minutes.

Stir in the taco seasoning, black beans, corn, and salsa. Cook for an additional 5 minutes until heated through.

Divide the cooked rice among four bowls. Top each bowl with the taco filling and your choice of toppings such as cheese, sour cream, lettuce, tomatoes, and avocado.