Make butter mixture: Combine melted butter, Dijon mustard, Worcestershire sauce, garlic powder, poppy seeds, and dried minced onion.
Brush sandwiches: Brush the tops of the sandwiches with the butter mixture.
Bake: Bake for 10-12 minutes, or until the cheese is melted and the crackers are golden brown.
Serve: Let cool slightly before serving.
Enjoy these delicious and easy-to-make Ritz Cracker Party Sandwiches!
