Mediterranean Fish Tacos

Name: Mediterranean Fish Tacos
Ingredients: 3 lemons, zested and juiced; 2 sprigs fresh oregano, leaves finely chopped; A handful flat-leaf parsley, finely chopped; 3 cloves garlic, grated or minced; 1/4 cup extra-virgin olive oil; 2 pounds halibut or mahi mahi; Salt and pepper; 12 (5 to 6-inch) flour tortillas; 1 heart romaine, chopped; 1/2 red onion, thinly sliced; 8 pepperoncini peppers; 2 roasted red peppers, patted dry; 1 cup Greek yogurt; 1/2 teaspoon ground cumin; 1/4 cucumber, peeled and grated