Best dinner I've ever eaten

Would you like to know the recipe for an incredibly tasty casserole with minced meat? Once you discover this recipe, you will be surprised at how easy it is to make and your family will love this recipe! This recipe will not take much time, and its taste will amaze everyone from the first second! To learn how to prepare this delicious dish, we recommend watching this video from start to finish! You've probably never cooked anything like this before!

1 onion.
500 g minced beef.
Salt pepper,
Tomato paste
150 g pasta.
1 green onion.
40 g butter.
250 ml milk.
20 g flour.
100 g hard cheese.