1 | potatoes, sliced into 1 cm pieces | 200 g | |
2 | rutabagas, or turnips, sliced into 1 cm pieces | 300 g | |
1 | leeks, cut into 0,5 cm pieces | 300 g | |
1/2 tbsp | olive oil | 8 mL | |
1/2 tbsp | butter, unsalted | 7 g | |
2 | bocconcini / fresh mozzarella, diced | 110 g | |
1 tsp | dried oregano | 1 g | |
1 pinch | salt [optional] | 0.2 g | |
ground pepper to taste [optional] |