01 -
Grab a large heavy skillet and throw in your ground beef with the diced onion. Cook everything on medium heat till the meat turns brown and isn't pink anymore, about 3-5 minutes. Break up the meat into small bits as you go with your wooden spoon. When it's done, pour off any extra fat.
02 -
Now dump in your pizza sauce, the drained mushrooms, sugar, and that oregano. Give it all a good mix so the meat gets totally covered in all that tasty sauce and spices.
03 -
Scoop this yummy mix onto your toasted buns, making sure everyone gets a fair share.
04 -
Toss a bunch of that shredded mozzarella on top of each bun.
05 -
Put your loaded buns on some clean baking sheets and stick them under the broiler, keeping them about 4 inches away from the heat.
06 -
Let them broil for around 2 minutes until you see the cheese get all bubbly and melty.
07 -
Grab them while they're hot and enjoy your awesome burger-pizza mashup!