Tortilla with Spanish Salsa

Name: Tortilla with Spanish Salsa
Prep time: 30 min
Cook time: 1 h 10 min
Total time: 1 h 10 min
Yield: 8 portions
Ingredients: 200 g onions; 200 g extra virgin olive oil; 400 - 600 g potatoes; 1 ¼ tsp fine sea salt; 6 large eggs; 200 - 250 g onions; 50 g extra virgin olive oil; 2 garlic cloves; 1 Tbsp tomato purée; 100 g white wine; 300 g water; ¼ tsp fine sea salt; ¼ tsp ground black pepper; 1 pinch ground nutmeg; 1 pinch ground cloves; 1 Tbsp fresh parsley