Slice the sweet potato into 1cm rounds, then cut into halves or quarters based on size. Soak in water briefly and drain. Microwave in a heatproof container covered with plastic wrap at 600W for about 4 minutes until soft, then drain. Cut garlic in half lengthwise, remove the core, and crush with the flat side of a knife.

Cut the block bacon into 1cm cubes. Slice the boiled octopus into bite-sized pieces.