Flat iron steak with honey garlic marinade recipe

Ingredients

• 1/4 cup chopped onion
• 1/4 cup olive oil
• 2 tablespoons lemon juice
• 2 tablespoons soy sauce
• 1 tablespoon sugar
• 1 tablespoon cider vinegar
• 1 tablespoon honey
• 2 teaspoons minced garlic
• 2 teaspoons Worcestershire sauce
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 flat iron steak (or more)