Chocolate roulette: box of chocolates, one has a hot chili inside

Chocolate Russian Roulette: elevent chocolates contain creamy sweet centers; the remaining one has a very hot chili:
Seated in individual compartments, twelve chocolate bullets lay waiting to be bitten into. Although eleven of the sweet little slugs contain delicious praline centres, one conceals a seriously red hot chilli that's guaranteed to blow your head off - metaphorically, at least.
Link (Thanks, Candy Addict!)