Nando's

This South African-Portuguese chain is famous for its peri-peri chicken. 

Price range: moderate, and they have over 20 locations across the country. 

Average Google Maps rating:  4.2 stars.

Santini

Culinary specialty:  artisanal ice cream. 

Price range: moderate, and they have locations in Lisbon and Cascais. 

Average Google Maps rating:  4.4 stars.

Casa Guedes

Culinary specialty:  sandes de pernil (roasted pork sandwiches). 

Price range: low, and they have locations in Porto. 

Average Google Maps rating:  4.5 stars.

Casa das Bifanas

Culinary specialty:  bifanas (pork sandwiches). 

Price range: low, and they have locations in Lisbon and Porto. 

Average Google Maps rating:  4.2 stars.

Confeitaria Nacional

Culinary specialty:  pastries, including pastel de nata (custard tarts) and bola de berlim (filled doughnuts). 

Price range: moderate, and they have locations in Lisbon. 

Average Google Maps rating:  4.4 stars.

Fábrica da Nata

Culinary specialty:  pastel de nata (custard tarts). 

Price range: low, and they have locations in Lisbon and Porto. 

Average Google Maps rating:  4.5 stars.

Hamburgueria do Bairro

Culinary specialty:  hamburgers made with Portuguese beef. 

Price range: moderate, and they have locations in Lisbon and Porto. 

Average Google Maps rating:  4.4 stars.

Honorato

Culinary specialty: Gourmet hamburgers with a Portuguese touch.

Price range: €6-€13.

Number of stores: 20.

Average Google Maps rating: 4.2/5.

A Padaria Portuguesa

Culinary specialty: Traditional bread, pastries and sandwiches.

Price range: €1-€6 per item.

Number of stores: 85.

Average Google Maps rating: 4.1/5.

O Prego da Peixaria

Culinary specialty: Prego sandwiches (beef, chicken, fish or vegetarian) with a modern twist.

Price range: €4-€10.

Number of stores: 4.

Average Google Maps rating: 4.4/5.