Spicy Steak Tacos with Fresh Salsa & Avocado Crema

Ingredients

• 1 lb (450g) flank steak
• 2 tablespoons olive oil
• 2 tablespoons lime juice (about 1 lime)
• 2 cloves garlic, minced
• 1 teaspoon ground cumin
• 1 teaspoon Mexican oregano
• 1 teaspoon chili powder
• Salt and pepper to taste
• 1 cup diced tomatoes
• ½ cup finely chopped red onion
• 1 jalapeño, seeded and minced
• ¼ cup chopped fresh cilantro
• 1 tablespoon lime juice
• 1 ripe avocado
• ½ cup sour cream
• 8 small corn tortillas
• Fresh cilantro leaves for garnish
• Lime wedges for serving