Light rye bread with roast beef and horseradish

Name: light rye bread with roast beef and horseradish
Total time: 15 min
Yield: 4
Ingredients: 150 gram Roast beef; 2 tablespoon grated horseradish; 4 slices waldkorn; 1 onion; 50 gram butter

Ingredients

150 gram Roast beef
2 tablespoon grated horseradish
4 slices waldkorn

1 onion
50 gram butter

Directions

Heat 1 tablespoon of butter in a frying pan and fry the onion rings over medium-high heat for 4-6 minutes until golden brown and done.
Brush the slices of bread with butter and horseradish and place on plates.
Drape the slices of roast beef on them.
Divide the fried onion rings over it.
Garnish with tarts of lamb's lettuce as desired.