Spicy Potatoes Recipe

Name: Spicy Potatoes Recipe
Ingredients: 2 lbs. red potatoes, peeled and thickly sliced; 1 small onion, grated; 1 medium onion, thinly sliced; 3 tablespoons extra virgin olive oil; 1/3 cup tomatoes, grated; 1/4 teaspoon ground ginger; 1/4 teaspoon paprika; 1 pinch ground cumin; 1 teaspoon garlic, crushed; 3 bay leaves; 1/2 fresh lemon; 2 tablespoons chopped flat leaf parsley; 2 tablespoons fresh cilantro, chopped; 1/2 teaspoon salt; 1/4 teaspoon dry saffron threads; 20 black olives, pitted; 1/2 preserved lemon