How many calories in a piece of guava pastry?
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                According to several nutrition databases, a single piece of a standard guava pastry, or *pastelito de guayaba*, contains approximately 326 calories. This sweet treat's rich, flaky crust and sugary filling contribute to its relatively high energy density, making portion control a consideration for those monitoring their intake.