Brown ground beef with garlic powder and onions.
Add ground beef mixture to bottom of slow cooker.
Stir in Worcestershire Sauce, 1 cup shredded cheese, cream cheese and heavy cream.
Stir until all of the ingredients are fully combined.
Cook for 2 hours on high or 4 hours on low.
Top with remaining 1 cup shredded cheese. Add shredded lettuce and pickles if desired.
