1 cup non-fat cottage cheese
2 tablespoons fat-free mayonnaise
2 tablespoons plain low-fat yogurt
1 tablespoon yellow mustard
1 teaspoon soy sauce
1/4 teaspoon ground turmeric
1 teaspoon vegetarian Worcestershire sauce
2 teaspoons rice wine vinegar
1 (8 ounce) container firm tofu
5 green onions, minced