Famous Japanese Restaurant-Style Salad Dressing

INGREDIENTS

• 1/2 cup minced onion
• 1/2 cup peanut oil
• 1/3 cup rice wine vinegar
• 2 tablespoons water
• 2 tablespoons minced fresh ginger root
• 2 tablespoons minced celery
• 2 tablespoons ketchup
• 4 teaspoons soy sauce
• 2 teaspoons white sugar
• 2 teaspoons lemon juice
• 1/2 teaspoon minced garlic
• 1/2 teaspoon salt
• 1/4 teaspoon ground black pepper