Ingredients

• 3 avocados - peeled, pitted and diced
• 1/2 onion, minced
• 2 Roma (plum) tomatoes, diced
• 1 clove garlic, pressed
• 1 bunch fresh cilantro, chopped
• 1 teaspoon ground cumin
• 2 teaspoons crushed red pepper flakes
• 3 tablespoons lime juice
• 3 tablespoons olive oil
• salt and black pepper to taste
•  
• 1 tablespoon kosher salt
• 2 tablespoons ground cumin
• 1 teaspoon crushed red pepper flakes
• 2 teaspoons ground black pepper
• 1 tablespoon ground coriander
• 1 tablespoon chili powder
• 1 teaspoon ground cinnamon
• 1 (1 1/2-pound) flank steak