All European countries.
This Alpine omelet is known as cholermues. It is closer to a pancake than to a proper omelet. It is typically served with apples or pears, however, this recipe uses dried fruit in an tangy syrup as filling.
Sure marinara can be plain old tomato sauce. But there are ways to make it a delightfully stylish topping. Here's a very simple Italian marinara recipe to get you started down that road. Then you can go to the fancy styles and flavor the marinara with all sorts of condiments.