01 -
In a frying pan, cook the ground beef with the chopped onions until the meat browns all the way. Drain any leftover fat afterward.
02 -
Pour in the marinara sauce and blend everything together. Add a bit of salt and pepper if you'd like. Now, your beef mix is ready.
03 -
In a bowl, combine mozzarella and sour cream by stirring until they're smooth and creamy.
04 -
Spread the meat mixture evenly across the bottom of a casserole dish. Next, layer your cheesy mix right on top.
05 -
Unroll your crescent dough and place it gently over the cheese layer, making sure every bit of the casserole is covered.
06 -
Combine melted butter with parmesan in a little bowl and spread it over the top of the dough. You can brush or drizzle it on.
07 -
Put it in the oven preheated to 375°F and bake for about 20-25 minutes. The crust should turn golden and flaky, and it’ll bubble underneath.
08 -
Pull it out of the oven and let it cool down for several minutes before slicing it up to serve.