* Las papas fritas son increíbles: This is a straightforward and widely understood translation. "Increíble" means incredible or amazing.
* Las papas fritas son lo máximo: This translates to "French fries are the best" or "French fries are the ultimate." "Lo máximo" is a common way to express something is top-notch.
* Las papas fritas son la bomba: This is a literal translation, but it might not be fully understood in all contexts. While "bomba" can mean "bomb," it's also slang meaning something is fantastic or amazing, but it's less common than the other options. It would be more readily understood in youth slang, but might sound a little strange to older speakers.
* Las papas fritas están buenísimas: This translates to "The French fries are delicious" or "The French fries are really good." This focuses on the taste.
The best option depends on your audience and the context. For most situations, "Las papas fritas son increíbles" or "Las papas fritas son lo máximo" are the safest and most readily understood choices.