avocado-pepper grilled steak

Ingredients

• 1/4 cup chopped cilantro
• 3 tablespoons olive oil, extra virgin, divided 2tbl/1tbl
• 2 tablespoons fresh lime juice
• 1/2 teaspoon sea salt
• 1/4 teaspoon sugar
• 2 large garlic cloves, peeled and minced
• 1 tablespoon peppercorn, crushed
• 1 1/2 pounds london broil
• 1 medium red pepper, cored and cut into eighths
• 1/2 medium red onion, peeled and cut into thin wedges
• 1/2 pound shitake mushrooms, trimmed and halved
• 1 - avocado, pitted, peeled and cut into 2" wedges