Potato and bell pepper casserole

Ingredients for 4 people:

2 bell peppers (1 red and 1 yellow)

2 medium potatoes

1 large red onion

10 g of dried oregano

½ cup dry white wine

Olive oil

Salt, pepper

Wash the peppers, open them in half and remove the seeds and the white ribs; then cut them into small pieces. Peel the potatoes and cut into slices, then into strips. Slice the onion. In a large non-stick pan, heat a little olive oil and add  all the vegetables. Add salt and pepper and cook over high/medium heat, stirring often. After twenty minutes of cooking, add the wine and let it evaporate a little; Season with the oregano and cook for another 5 minutes.