Easy to make, delicious to eat.
To make them, I started with Paper Seed's Vanishing Oatmeal M&M Cookie recipe (which is according to her, the recipe found on the inside lid of Quaker Oats). I had bought a 1.5" heart shaped cookie cutter from the local kitchen shop, so I made them a bit bigger than tablespoon each just to make sure there would be enough cookie to cut from.
Bake cookies and cool
Press hard to create hearts, eat scraps
Admire your work
Spoon softened ice cream onto one heart. Put the other heart on top and pop the finished sandwiches into the freezer to harden. I left them in there for about half an hour.