St Claire Chicken

Name: St. Claire Chicken
Ingredients: 1 1/2 cups vegetable oil; 3/4 cup Worcestershire sauce; 1/4 cup lemon juice, freshly squeezed; 5 garlic cloves, minced; 2 tablespoons dry mustard; 2 1/2 teaspoons kosher salt; 1 teaspoon black pepper; 2 pounds boneless, skinless chicken thighs; 2 teaspoons parsley, chopped, to garnish