Sushi tacos at Maruichi Udon in Eden Prairie come in several varieties, including salmon with avocado and tobiko roe. (Nancy Ngo/The Minnesota Star Tribune) Comment Gift Share As the restaurant’s name implies, udon is the specialty at this restaurant. But it would be a shame not to seek out other menu items, especially the sushi tacos, at this fairly new addition to Eden Prairie’s fast-casual restaurant scene.