To bring butter to room temperature quicker, cut it into tablespoons or cubes. The more surface area you expose, the faster it will reach the desired temperature. The same method holds true when melting butter over the stove or in the microwave.
To deseed pomegranates without a mess, place a halved and stretched pom into a ziplock bag. Close and smack the peel of the fruit with the back of a wooden spoon, releasing just enough seeds for your desired serving. Store in the fridge.