Farmer's Lamb Soup (so simple)

Name: Farmer's Lamb Soup (so simple)
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Cuisine: European, Greek
Ingredients: 300 g Lamb chops; 4 tbsp. white rice; 8 tbsp. fresh spring onions, (minced); 200 g dock leaves (see notes), (stems removed); 4 tbsp. butter (optional ); 1 liter water, (or more as needed); 2 tbsp. dried oregano; 2 tbsp. spearmint, (dried or fresh); 2 tbsp. parsley, (chopped); sea salt and black pepper to taste