01 - Preheat oven to 375°F. Grease a Bundt pan thoroughly with nonstick cooking spray.
02 - In a skillet over medium heat, cook ground beef until browned, approximately 5–7 minutes. Drain excess fat from the pan.
03 - Add taco seasoning and water to the browned beef. Stir well to combine and simmer for 2–3 minutes until sauce thickens. Fold in black beans and remove from heat.
04 - Place one-third of tortilla chips in the bottom of prepared Bundt pan. Top with one-third of beef-bean mixture and one-third of both shredded cheeses.
05 - Repeat layering process two more times, finishing with remaining cheese on top as the final layer.
06 - Bake in center of oven for 15–18 minutes until cheese is fully melted and bubbly.
07 - Remove from oven and let cool 3–5 minutes. Carefully invert Bundt pan onto serving platter to release the nacho ring.
08 - Garnish with diced tomatoes, black olives, green onions, jalapeño slices, cilantro, and avocado. Add dollops of sour cream and drizzle with salsa.
09 - Serve while warm and crispy for best texture and flavor.