One way to make the basic piano blues sound more interesting and musical, is to start with a beginning before you play your repeated 12 bar blues scheme. Below are two blues beginning examples in the key of F which you can try and practice.
Beginning with a blues lick
Both examples are using notes of the F blues scale.
To enhance the basic piano blues, you can play seventh chords instead of just major triads. Dominant seventh chords are an essential ingredient to blues, gospel or jazz. [...]
To be able to play blues licks is a great skill to have as a piano player. Or even better, to be able to come up with original licks on the spot. The blues scale is quite [...]