Prepare 6 slices of rye bread. Smear with about 1/2 tsp. butter on each slice.
First Sandwich: place slices of egg and radish. Top with green onions. Add some salt if required.
Second Sandwich: smear the bread with liver pate. In a small frying pan melt 1/2 teaspoon butter. Add sliced mushrooms. Cook on low-medium heat for about 5 minutes until cooked. Remove from the pan and add on the top of liver pate. Add bacon strips to the frying pan. Cook on low-medium heat for 2-3 minutes on each side. Remove from the pan and crumble. Add it on top of mushrooms.
Third Sandwich: put roll meat with slices of red onion and watercress (or other micro green).
Fourth Sandwich: put slices of salmon, top it with lemon and fresh dill.
Fifth Sandwich: put roast beef slices, smear horseradish on the beef and top it with sliced pickle.
Sixth Sandwich: cut herring into small pieces. Put on the sandwich, add sliced pickle and beet.
Please understand that nutrition is approximate since each sandwich is different.