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Weekend-Only Peruvian Classics in Isesaki

LA・FORTALEZA is a weekend gem in Isesaki offering true authentic Peruvian cuisine. Diners rave about ceviche mixto, anticuchos, lomo saltado, carapulcra, and house chicha morada—each dish balanced with bright spices and generous portions. The staff is welcoming, explanations are now available in Japanese, and the South American atmosphere feels genuine and lively. If you want bold, well-prepared Peruvian plates and traditional sweets like picarones, plan a weekend visit. Trusted by dozens of diners, it’s a standout for an immersive culinary experience.

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4.3
49 reviews
  • Juan Jose Hirano espejo
  • zoo
    zoo
    7 months ago

    The owner was kind and came over to ask if the food was tasty and spicy.

  • Calos Acevedo
    Calos Acevedo
    8 months ago

    The taculomo ceviche is delicious, and yes, family gatherings can be a lovely affair.

  • Cristina Tamayoshi
    Cristina Tamayoshi
    10 months ago

    Good, Rich and Cheap

  • mineral tabelog (ミネラルR)

    This is my third time at La Fortaleza. Sábados y Domingo is a Peruvian restaurant open only on weekends. One new change this time is the introduction of a Japanese menu! The previous Spanish menu now has Japanese explanations on the next page. The restaurant is as well-organized as ever, and the female staff speak Japanese, so it's reassuring. Let's start ordering! ◆Ceviche Mixto 1,400 (tax not included) This ceviche contains white fish, shrimp, octopus, and scallops. It's more sour and spicy than the last time I had it, transforming it into my favorite flavor. It's amazing with the accompanying sweet potato and corn. ◆Anticuchos 4 palitos 1,150 yen (tax not included) The anticuchos are skewers of grilled beef hearts. They're grilled to perfection and perfectly seasoned! The addition of salsa de ají adds a spicy kick that enhances the flavor. Best of all, this price for just four sticks is the best value! ◆Lomo Saltado ¥1,200 (tax not included) Lomo Saltado is a traditional Peruvian dish of stir-fried beef and vegetables seasoned with soy sauce. The vibrant colors of the tomatoes, purple onions, ajiamarillo, and cilantro add a touch of flavor! The bold soy sauce flavor is a big hit with Japanese people and goes perfectly with rice. This Lomo Saltado is served on top of fries. The potatoes, infused with flavor, are also delicious. ◆Carapulcra con Chancho al Palo ¥1,350 (tax not included) Carapulcra is a dish made by simmering dried potatoes with spices. I'm not sure what spices they're made with, but it has a gentle flavor that's different from curry. Chancho is charcoal-grilled pork belly. This hearty salad is topped with five fragrant, thick-sliced ​​pork belly slices. ◆Chicha Morada jarra ¥500 (tax not included) Whenever I eat Peruvian food, I always order the chicha morada. It's a fruity, spiced purple corn treat that I adore. It's so delicious, we could drink a liter between two people! ◆Picarones (Free) After the meal, they served us picarones along with mineral water! This traditional Peruvian sweet is crispy and chewy when freshly fried and drizzled with a brown sugar syrup-like sauce. Peru, a country of gourmet food, is so much fun! There are about 10 Peruvian restaurants in Gunma, but La Fortaleza offers great service at affordable prices!

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Opening Hours

  • MondayClosed
  • TuesdayClosed
  • WednesdayClosed
  • ThursdayClosed
  • FridayClosed
  • Saturday 12:00 PM - 08:00 PM
  • Sunday 12:00 PM - 08:00 PM