Valentine's Day treats-pretzel snaps, white or pink chocolate melting discs, M&Ms-Preheat; oven to 350 degrees. Place pretzels right side up on a baking sheet. Place a chocolate disk on each and carefully place in the oven for 2 minutes, just long enough for the chocolate to begin to melt. Pull the tray out of the oven and quickly press one M&M; onto the center of each chocolate disk. Put the tray in fridge to set.