Former Norway resident here, 3yrs. Their lunch traditions are definitely basic, as they were not a wealthy country for hundreds of years before striking oil in the 60s. The point to remember is that while the fare is basic, the quality is typically very good. Their cheese is extra creamy and nutritious, as is the bread. The same goes for the milk. Many Europeans won’t drink the milk here in the States because the qua…
The milk quality in the US is fine, it's just different. Each carton has been pasteurized differently, then homogenized, fortified, and contains milk from thousands of cows. There are lots of other differences that affect flavor, mouthfeel, aroma. We may also use different cows, environment, etc.
Of course this varies a lot based on the store and product.