01 -
Preheat oven to 400°F. Line a 9×13-inch baking sheet with parchment paper or foil.
02 -
In a large skillet over medium heat, heat vegetable oil until shimmering. Add ground beef and finely diced onion. Use a spatula to break up the meat as it cooks. Sauté until beef is thoroughly browned and no longer pink, about 8 to 10 minutes. Drain excess grease.
03 -
Stir in yellow mustard, hamburger seasoning, and garlic powder. Continue cooking 2 to 3 minutes, stirring occasionally, until mixture is cohesive and fragrant. Remove skillet from heat.
04 -
Arrange tortilla chips in an even layer, slightly overlapping, on the prepared baking sheet without creating large mounds.
05 -
Evenly spoon the warm seasoned beef mixture across the surface of the tortilla chips.
06 -
Sprinkle shredded sharp cheddar cheese evenly atop the beef mixture, ensuring good distribution.
07 -
Transfer the baking sheet to the oven. Bake for 7 to 9 minutes until the cheese is completely melted.
08 -
In a medium bowl, whisk together sour cream, ketchup, red wine vinegar, yellow mustard, and paprika until emulsified and smooth.
09 -
Once nachos are removed from the oven, immediately garnish with diced dill pickles, cherry tomatoes, and shredded lettuce. Drizzle prepared sauce over the nachos or serve alongside as desired.