Ni-Fu Ni-Fa (3a Calle Oriente #21, tel. 7832-6579, lunch and dinner daily) is a genuine Argentinean steak house serving tasty grilled meats on a pleasant raised wooden deck surrounded by lush gardens.
Restaurant Las Antorchas (3a Avenida Sur #1, tel. 7832-0806, www.lasantorchas.com [1], lunch and dinner daily) offers a more elegant setting and a menu that includes grilled onions, cheese fondue, tortellini, salmon in orange sauce, and well-presented grilled steak and chicken dishes.
Links:
[1] http://www.lasantorchas.com