• 400 g red deer venison rump
  • Salt
  • Pepper
  • 2 tbsp. oil
  • 2 large onions
  • 20 g butter
  • 70 g cane sugar
  • 125 ml red wine vinegar
  • 1 egg
  • 100 ml vegetable oil
  • 1 tbsp. medium-hot mustard
  • 1 dash of lemon juice
  • 1 handful of arugula greens
  • 8 thick slices of white bread


Preheat the oven to 120 °C (250 °F). Trim the venison rump and rub with salt and pepper. Heat the oil in a pan and sear the meat on both sides. Remove the venison rump from the pan and place in an ovenproof dish. Place in the oven and allow the meat to cook for 20–30 minutes (core temperature: approx. 58 °C / 136 °F). Remove the meat from the oven and leave to cool.

Peel the onions and cut into rings. Heat the butter in a pan. Add the sugar and fry the onions over a medium heat until golden brown. Add the red wine vinegar and cook over a low heat for approx. 30 minutes until the onions are nicely caramelized.

To make the mayonnaise, crack the egg into a blender. Then add the vegetable oil, mustard, and lemon juice and mix well. Season with salt and pepper.

Wash the arugula greens and pat dry. Cut the venison rump into thin strips. Toast the slices of bread and spread four slices with mayonnaise. Place the meat on top, followed by the onions. Finally, garnish with arugula and top the sandwich with the second slice of bread.


Ilka Dorn

Ilka Dorn lives with her family on an old farm on the Lower Rhine area and has been the owner of an advertising agency for more than 20 years. In her free time, the mother of two sons loves to cook for her family, friends and guests, with a particular fondness for preparing the venison of game hunted in her local hunting grounds. She discovered her passion for hunting more than 30 years ago. Her knowledge of wild herbs, mushrooms and all the other treasures of nature was taught by her grandmother and her mother at an early age.

For Ilka Dorn, hunting is both a privilege and a craft, which she carries out with great respect for nature and for the game. For her, hunting today represents the fairest and most justifiable way to obtain meat as food. When she is out hunting she relies on high-quality optics from Leica – whether hunting by day or night.

Products in use

Leica Geovid R 8×56

Leica Magnus 1.8-12×50 i

Leica Calonox View

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