best nachos recipe

Ingredients: 1 bag tortilla chips 1 cup shredded cheddar cheese 1 cup shredded Monterey Jack cheese 1/2 pound ground beef or ground turkey 1 packet taco seasoning (or homemade seasoning) 1/2 cup black beans, drained and rinsed 1/2 cup corn kernels (canned or fresh) 1/2 cup diced tomatoes 1/4 cup sliced black olives 1/4 cup sliced green onions