For that reason, the crew was instructed to intentionally make the heart taste bad, on top of giving it a realistic texture, so that Clarke felt as though she was actually eating a heart.
The crew used dried pasta for the veins and injected a little bleach, which is presumably why Clarke tasted both so strongly.
Apparently not, and it’s probably because the fake stallion heart wasn’t exactly supposed to taste good.
A three-pound gummy bear injected with sugary syrup that resembles blood sounds like a sweet tooth coma well worth the effort, but showrunners were concerned such a treat would not get the reaction they wanted from Emilia Clarke.