01 - Preheat oven to 375°F. Grease a Bundt pan thoroughly with nonstick cooking spray.
02 - Heat a skillet over medium heat. Add ground beef and cook for 5-7 minutes until fully browned, breaking it apart as it cooks. Drain excess fat.
03 - Sprinkle taco seasoning over the beef and pour in water. Stir well to combine. Simmer for 2-3 minutes until sauce thickens. Mix in drained black beans and remove from heat.
04 - Spread one-third of tortilla chips evenly across the Bundt pan bottom. Top with one-third of the beef-bean mixture. Sprinkle with one-third of each cheese.
05 - Repeat layering process two more times, using remaining chips, beef mixture, and cheeses. Finish with a generous cheese layer on top.
06 - Place Bundt pan in center of oven. Bake for 15-18 minutes until cheese is completely melted and bubbly.
07 - Remove from oven and let cool for 3-5 minutes. Carefully invert the Bundt pan onto a large serving platter.
08 - Scatter diced tomatoes, olives, green onions, jalapeño slices, and cilantro over the top. Add dollops of sour cream and salsa. Distribute diced avocado evenly.
09 - Serve while warm and cheese remains melted. Guests can pull apart chips from the center outward.