Prepare the Beef:In a skillet, heat olive oil over medium heat. Add chopped onions and cook until softened.Add minced garlic and ground beef to the skillet. Cook until the beef is browned.Drain excess fat, then add taco seasoning and water. Simmer until the mixture thickens. Set aside.
Assemble the Nachos:Preheat your oven to 375°F (190°C).On a large baking sheet, spread out a layer of tortilla chips.Spoon the seasoned beef evenly over the chips.Sprinkle shredded cheddar cheese over the beef, ensuring each chip gets a cheesy touch.Add black beans, diced tomatoes, and jalapeños on top.
Bake to Perfection:Place the baking sheet in the preheated oven and bake until the cheese is melted and bubbly.Keep an eye on the nachos to avoid burning the edges. This usually takes about 10-15 minutes.
Top and Garnish:Once out of the oven, sprinkle chopped green onions over the hot, gooey nachos.Add dollops of sour cream and garnish with fresh cilantro.
Serve and Enjoy:Transfer the nachos to a serving platter and let everyone dig in!Pair with your favorite salsa or guacamole for an extra kick.