Czech Potato Soup with Mushrooms

• • 200 g potatoes
• • 100 g mixed mushrooms
• • 50 g carrot
• • 50 g celery
• • 30 g onion
• • 1 tsp dried marjoram
• • 10 g olive oil

Instructions

1. Sauté onion, carrot, and celery in olive oil.
2. Add potatoes, mixed mushrooms, and marjoram.
3. Pour in water and cook until potatoes are tender.