Spicy Fava Bean Fritters with Lemon Minted Yogurt

Name: Spicy Fava Bean Fritters with Lemon Minted Yogurt
Ingredients: 2.2 pounds fresh fava beans, in their pods (about 2/3 pound shelled weight) or 1 pound defrosted fava beans, skinned; 6 sprigs fresh cilantro; 1 bunch fresh mint; Sea salt and freshly ground black pepper; 1/2 teaspoon cayenne pepper; 1 level teaspoon ground cumin; 1/2 fresh red chile, seeded and finely sliced; 1 lemon, zest and juiced; 1 teaspoon all-purpose flour; 4 cups vegetable oil; 1 small piece potato, peeled, optional; 4 tablespoons plain yogurt; A few handfuls mixed crunchy salad leaves, washed and spun dry; Extra-virgin olive oil; Pickled chiles, to serve