It was cooked into rose cakes, to be specific. The blending and cooking process fundamentally broke down the cyanide.

This is kinda disappointing to learn. Also, this means Boney M lied to us because they said the poison was put into his wine and I am frankly disgusted that Boney M would lie to me like this.

according to this they tried both at the same time. poisoned wine and poisoned cakes

Faith in Boney M restored