Zaru Soba (Cold Soba with Dipping Sauce)

Name: Zaru Soba (Cold Soba with Dipping Sauce)
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Cuisine: Japanese
Ingredients: 14 oz dried soba noodles (buckwheat noodles) ((3.5 oz, 100 g per serving)); 6 Tbsp mentsuyu (concentrated noodle soup base); 1⅛ cups iced water ((for the dipping sauce)); 1 piece kombu (dried kelp) ((1 x 1 inch, 2.5 x 2.5 cm per piece)); ½–1 cup katsuobushi (dried bonito flakes) ((packed; for a more intense flavor, use the larger amount)); ¼ cup sake; ½ cup mirin ((plus 1 Tbsp, to taste)); ½ cup soy sauce; shredded nori seaweed; 2 green onions/scallions; wasabi

Instructions

Prep:5minCook:10min

This Zaru Soba recipe is my family's favorite cold soba with dipping sauce—chewy buckwheat noodles and homemade mentsuyu, ready in 15 minutes. Refreshing, satisfying, and perfect for summer.

Updated at: Wed, 03 Jun 2026 00:01:04 GMT