Japanese Salad Dressing

2 tablespoons minced fresh ginger root

⅓ cup minced onion

¼ cup minced celery

¼ cup low-sodium soy sauce

½ lime, juiced

1 tablespoon white sugar

1 tablespoon ketchup

¼ teaspoon ground black pepper

½ cup vegetable oil

Pulse ginger, onion, and celery in a food processor until thoroughly combined. Scrape down sides of food processor with a spatula. Add soy sauce, lime juice, sugar, ketchup, and pepper; process until combined, 10 to 20 seconds. Stream oil in a thin stream into the mixture with the processor running; process until well blended.