Source : Webster's Revised Unabridged Dictionary (1913)

Tastily \Tast"i*ly\, adv.
   In a tasty manner.

Source : WordNet®

tastily
     adv 1: in a tasty manner; "the meal was tastily cooked"
     2: with taste; in a tasteful manner; "the house was tastefully
        decorated" [syn: {tastefully}] [ant: {tastelessly}]