Polish Noodle Casserole

Ingredients

160 ml sour cream
80 gr cottage cheese
12 gr onion
18 gr salt
2 gr powdered mustard
1 gr pepper
525 gr casserole dish

Instructions

To be a bit more fancy, when the 25 minutes is over, pull the casserole out of the oven, smear it with a bit of butter, and allow it to cook another 5 to 10 minutes. To be even more fancy, sprinkle some parmesan cheese on top of the butter before putting the casserole back into the oven.