Ingredients
Scale
- 500 g of green beans (chauchas) (about 3 cups, trimmed)
- 1 unit of red onion, medium, thinly sliced (1 medium onion)
- 2 units of tomatoes, medium, diced (2 medium tomatoes)
- 2 units of hard-boiled eggs, peeled and quartered (2 eggs) (optional)
- 60 ml of olive oil (4 tablespoons)
- 30 ml of red wine vinegar (2 tablespoons)
- Salt, to taste
- Black pepper, to taste
- Salted water for boiling the green beans