Add Goat’s milk cubes to a microwaveable bowl. Microwave for 30 seconds. Stir. Microwave 10 seconds and stir. Continue to microwave at 10 second intervals, stirring in between, until melted.
Stir in coffee grounds and vanilla soap scent. Pour into a silicone soap mold.
Let sit at room temperature for 40 minutes to 1 hour, until hardened. Remove from soap mold by carefully pushing on the bottom to release the soap.