Cut the butter into small cubes
Let it sit at room temperature for 15 to 30 minutes
Grate the butter using a box grater
Pound the butter gently with a rolling pin between two sheets of parchment paper
Microwave it in very short bursts at low power
Place the wrapped butter in a warm spot for a few minutes
Put the butter in a sealed bag and submerge it in warm water briefly
Use a warm bowl or glass to cover and soften it faster
