Carnitas-Style Grilled Beef Tacos

Ingredients

• 4 beef Flat Iron Steaks (about 8 ounces each)
• 18 small corn tortillas (6 to 7-inch diameter)
• Minced onion, chopped fresh cilantro leaves, lime wedges
• 1 cup prepared tomatillo salsa
• 1/3 cup chopped fresh cilantro
• 2 tablespoons fresh lime juice
• 2 teaspoons minced garlic
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1-1/2 cups prepared tomatillo salsa
• 1 large avocado, diced
• 2/3 cup chopped fresh cilantro
• 1/2 cup minced white onion
• 1 tablespoon fresh lime juice
• 1 teaspoon minced garlic