Preheat oven to 375ºF. Line a baking sheet with parchment paper or lightly grease it, or you can use a pizza stone.
In a large skillet, cook ground beef over medium heat until no longer pink and cooked through. Drain any excess grease from the skillet.
Turn the skillet to medium-low heat. Season the cooked beef with salt, black pepper, onion powder, and garlic powder.
Add ketchup, mustard, and stir until combined well.
Arrange the cheese slices on top. Allow the cheese to warm up for a minute, then stir into the beef mixture until well combined. Remove the skillet from the heat.
Unroll crescent rolls, separating each triangle. Arrange in the shape of a sun, with the short ends slightly overlapping.
Flatten the center dough slightly to create the center base.
Scoop the filling evenly over the flattened base.
Bring the tips of the dough over the filling and tuck underneath the center base.
In a small bowl, whisk the egg with a fork. Brush the top of the ring with the egg and sprinkle with sesame seeds
Bake 20-25 minutes or until the dough is golden brown.
Remove the cheeseburger crescent ring from the oven and let it cool for a few minutes before slicing.
Serve with dill pickles, shredded lettuce, and tomato slices on the side as well as a homemade special sauce (optional) and additional condiments as desired.