Preheat oven to 450° and grease a 9”-x-13” baking dish with cooking spray. Add tater tots and bake until crispy, 20 minutes.
In a large skillet over medium heat, heat oil. Add beef and cook until no longer pink, 6 minutes. Drain fat.
Top tater tots with beef, tomatoes, black beans, jalapeños, and cheeses.
Top with sour cream, guacamole, and cilantro before serving.
