Chimichurri Flank Steak with Grilled Pita | Publix Super Markets

Ingredients

• 1 serrano pepper, seeded and chopped
• 3 cloves garlic, smashed
• 2 small red onions, divided
• 1 1/2 lb beef flank steak
• 1 1/2 cups Italian parsley leaves
• 1/2 cup fresh cilantro leaves
• 1/4 fresh oregano leaves
• 1/2 teaspoon kosher salt
• 1/4 cup olive oil
• 1/4 cup red wine vinegar
• 1/4 cup water
• 2 Deli pita bread