01 -
Preheat oven to 190°C (375°F). Grease a 23cm (9-inch) round cake pan.
02 -
Roll out pie crust or puff pastry and fit into the bottom of the greased pan, trimming any excess dough from the edges.
03 -
In a mixing bowl, thoroughly combine ground beef with garlic powder, onion powder, salt, and pepper until evenly distributed.
04 -
Press the seasoned beef mixture firmly and evenly over the pastry base, creating a uniform layer.
05 -
Bake for 15 minutes, then carefully remove from oven and drain any excess fat that has rendered from the beef.
06 -
While the beef is baking, combine shredded cheddar, softened cream cheese, sour cream, Worcestershire sauce, ketchup, and mustard in a bowl, mixing until smooth and well incorporated.
07 -
Spread the cheese mixture evenly over the partially cooked beef, covering it completely.
08 -
Return to oven and bake for an additional 15 minutes until the cheese is bubbly and the pastry edges have turned golden brown.
09 -
Allow to rest for 5 minutes, then carefully invert onto a serving plate so the pastry is on top, creating an upside-down presentation.