Put the frozen reindeer in frying pan (without oil or butter) to dry it and to divide it into smaller pieces.
Make sure all water/fluid is evaporated.
Grind the pink peppercorns.
Put reindeer meat in dry pot.
Fry mushroom until the water is evaporated.
Grind juniper berries.
Put mushroom into same pot as reindeer meat.
Add pink peppercorns and juniper berries.
Add crème fraiche and cream.
Stir and let simmer for 15-30 minutes.
Put potatoes in oven safe dish (175 degrees Celsius for 45-50 minutes). Put oil on top and salt.
After done, serve stew with potatoes and some kind of jelly. So Scandinavian!