How many calories in a tablespoon of sriracha sauce?
                                
                                
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                                    5 min read                                
                            
                                According to nutritional data, a single teaspoon of classic Huy Fong sriracha contains a mere 5 to 6 calories, but this can change significantly depending on the serving size and brand. So, how many calories in a tablespoon of sriracha sauce? It's more than you might think, and the actual number varies.