As an expert sommelier and brewer, I can tell you that vanilla porter beer can indeed have a sweet flavor profile. However, it is important to note that the level of sweetness can vary depending on the specific beer and brewing process.
When it comes to vanilla porter beer, the sweetness primarily comes from the addition of vanilla beans during the brewing process. The vanilla beans infuse the beer with their distinct flavors, which often include a subtle sweetness. However, it is crucial to strike a balance between the sweetness of the vanilla and the other flavors in the beer to create a harmonious and enjoyable drinking experience.
In terms of the specific beer you mentioned, the imperial nature of the brew suggests a strong and bold flavor profile. The beer has been aged in rum barrels for 55 days, allowing it to absorb the flavors of the rum, which can also contribute to a certain level of sweetness. Rum is often associated with notes of caramel and molasses, which can add depth and sweetness to the beer.
Furthermore, the use of fresh Madagascar vanilla beans intensifies the sweetness in the beer. Madagascar vanilla beans are known for their rich and creamy flavor, which can enhance the overall sweetness of the brew. The beans are typically added during the brewing process, allowing their flavors to meld with the other ingredients and create a well-rounded and flavorful beer.
It is important to keep in mind that sweetness is just one aspect of the overall flavor profile of vanilla porter beer. The beer may also have other flavors such as roasted malts, chocolate, coffee, or even hints of bitterness from hops. These flavors work together to create a complex and balanced taste experience.
In my personal experience, I have enjoyed vanilla porter beers that have a moderate level of sweetness. The sweetness is not overpowering but rather complements the other flavors in the beer. This balance allows the vanilla to shine without becoming cloying or overly sugary.
To summarize, vanilla porter beer can indeed have a sweet flavor profile, especially when brewed with vanilla beans and aged in rum barrels. However, it is crucial to strike a balance between the sweetness and other flavors to create a harmonious and enjoyable drinking experience.