Prepare 4 or 6 qt slow cooker. Coat the bottom and sides with nonstick spray. Set aside.
In a large skillet, heat olive oil and cook ground beef until well browned, about 3-5 minutes. Add black beans, corn, salsa, green chilies, taco seasoning and enchilada sauce to the large skillet. Stir until well combined. Set aside.
In slow cooker, spread half the package of tater tots on the bottom. Next layer tater tots with beef mixture and then add remaining tater tots.
Cover and cook on low for 3-4 hours. Top with cheese during the last 30 minutes of the cooking time.
Serve immediately. Garnish with fresh cilantro.