Preheat your oven to 350°F (175°C).
Spread a layer of tortilla chips on a large baking sheet.
Sprinkle a generous amount of shredded cheese over the chips.
Add black beans evenly on top of the cheese.
Distribute sliced jalapeños over the chips.
Add diced tomatoes for freshness.
Place the baking sheet in the preheated oven.
Bake for 10 minutes or until the cheese is melted and bubbly.
Remove from the oven and top with sour cream and guacamole.
Garnish with chopped green onions and cilantro before serving.