Koisan Sushi

Orange, CA

Top Picks

Sautéed Shitake Mushrooms

Contains white mushrooms, shiitake mushrooms, and house soy sake cocktail marinade. This item may contain butter.

Vegemaster Roll

Contains shiitake mushroom, rice, nori, and avocado. We believe this item is vegan as is.

Vegetable Roll

Contains spring mix, rice, nori, kaiware (radish sprouts), gobo, cucumber, and avocado. We believe this item is vegan as is.

Organic Tofu Salad

Contains spring mix, iceberg lettuce, and firm tofu. The dressing may be non-vegan.

Seafood Yaki Soba

Contains yakisoba noodles, soy-based yakisoba sauce, seasonal vegetables, and mixed seafood. The yakisoba sauce may be non-vegan.

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Full Menu

Nigiri Sushi - Regular Selection

Bean Curd / Inari Sushi

Contains inari sushi rice, and bean curd. We believe this item is vegan as is.

Avocado Sushi

Contains sushi rice, nori, and avocado. We believe this item is vegan as is.

Asparagus Sushi

Contains sushi rice, nori, and asparagus. We believe this item is vegan as is.

Sashimi (Regular)

Avocado Sashimi

Contains ume, sesame, red onions, and avocado. We believe this item is vegan as is.

Inari / Bean Curd Sashimi

Contains tofu skin, and bean curd. We believe this item is vegan as is.

Asparagus Sashimi

Contains asparagus. We believe this item is vegan as is.

Regular Cut Rolls

Vegetable Roll

Contains spring mix, rice, nori, kaiware (radish sprouts), gobo, cucumber, and avocado. We believe this item is vegan as is.

Cucumber Roll

Contains sushi rice, nori, and cucumber. We believe this item is vegan as is.

Avocado Roll

Contains sushi rice, nori, and avocado. We believe this item is vegan as is.

Mountain Appetizers

Sautéed Shitake Mushrooms

Contains white mushrooms, shiitake mushrooms, and house soy sake cocktail marinade. This item may contain butter.

Steamed Edamame

Contains tempura batter, soy-garlic sauce, salt, and edamame. We believe this item is vegan as is.

Garlic Edamame

Contains edamame, a choice of garlic soy sauce, or soy garlic sauce, and a choice of tempura batter, or soy garlic sauce. We believe this item is vegan as is.

Japanese Pickled Vegetable

Contains sesame seeds, radish sprouts, and japanese pickled vegetables. We believe this item is vegan as is.

Sautéed Shishito Pepper with Asparagus

Contains soy garlic sauce, shishito peppers, and asparagus. The soy garlic sauce may be non-vegan.

Baked Koisan Special Rolls

Vegemaster Roll

Contains shiitake mushroom, rice, nori, and avocado. We believe this item is vegan as is.

Salad

Organic Tofu Salad

Contains spring mix, iceberg lettuce, and firm tofu. The dressing may be non-vegan.

Avocado and Mango Salad

Contains sweet miso reduction dressing, spring mix, mango, iceberg lettuce, and avocado. The sweet miso reduction dressing may be non-vegan.

Seaweed Salad

Contains sesame seeds, sesame oil, and marinated seaweed. We believe this item is vegan as is.

Cucumber Salad (Sunomono)

Contains rice vinegar dressing, pickled cucumber, cucumber, and carrot. We believe this item is vegan as is.

Gourmet Spring Mixed Salad

Contains tomatoes, spring mix, and cucumber. The dressing may be non-vegan.

Koisan Classic Menu

Natto Roll

Contains natto, rice, and nori. We believe this item is vegan as is.

Dinner Noodles (Udon, Ramen, Soba)

Seafood Yaki Soba

Contains yakisoba noodles, soy-based yakisoba sauce, seasonal vegetables, and mixed seafood. The yakisoba sauce may be non-vegan.

Cold Mori Soba

Contains tsuyu broth, and buckwheat soba noodles. The tsuyu broth may be non-vegan.

Side Menu

Brown Rice

Contains brown rice. We believe this item is vegan as is.

Rice

Contains rice. We believe this item is vegan as is.

Dinner Entrée from Kitchen

Tofu Steak Teriyaki

Contains tofu, and teriyaki sauce. The teriyaki sauce may be non-vegan.

Fresh Koisan Special Rolls

No vegan options.

Dinner Gourmet Miso Soup

No vegan options.

Dessert

No vegan options.

Ocean Appetizers

No vegan options.

Sashimi - Premium

No vegan options.

Dinner Entrée from Sushi Bar

No vegan options.

Koisan Signature Dish

No vegan options.

Kids

No vegan options.

Dinner Combination Bento

No vegan options.

Nigiri Sushi - Premium Selection

No vegan options.

Koisan Classic Appetizers

No vegan options.

Tempura Koisan Special Rolls

No vegan options.

Izakaya

No vegan options.

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