Grilled Beef Skirt Steak with Onion Marinade | Clean Plates

Ingredients

• 1/2 medium yellow onion, coarsely chopped
• 1 small garlic clove, peeled
• 1/2 cup plus 1 tablespoon extra-virgin olive oil
• 2 tablespoons water
• 2 pounds grass-fed skirt steak, silver skin trimmed away
• 1 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper
• Smoked sea salt, homemade or store-bought, for finishing