Traditional sautéed reindeer - Lapin Liha

Ingredients

• 400g sautéed reindeer meat
• 1 yellow onion
• 3 tbsp butter
• 2 dl water
• salt and black pepper
• Mashed Potatoes
• 1 kg potatoes, floury type
• 1 1/2 dl milk
• 2 tbsp room temperature butter
• salt, black pepper, and dried thyme
• Pea Side Dish
• 250 g green peas
• 1 tbsp lemon juice