Place the pears and lemon juice in a microwave-safe bowl, cover with a plate or piece of plastic wrap and cook on high power for 6 – 7 minutes or until the pears are very tender. Let cool slightly. Remove pears with a slotted spoon, discarding the liquid. Place pears in a small food processor or blender with the vanilla 2 tablespoons of honey and puree. Taste the pear butter and add more honey if desired.