Step 1

Preheat oven to 400F/200C. Line two baking sheets with parchment paper.

Step 2

In a large pot, melt butter over low heat. Remove from the heat and mix in oats, flour, baking powder, vanilla, and salt. In another bowl, whisk egg and sugar until pale. Stir in the oat mixture.

Step 3

Drop small balls of batter, one teaspoonful each, on the prepared baking. Leave room for them to spread a bit. Make sure they are all about the same size if you want them to turn out pretty (and it'll be easier to sandwich them).

Step 4

Bake 6-7 minutes or until the edges are golden brown. Remove from the oven, and let them cool directly on the baking sheet. Repeat with remaining batter if needed.

Step 5

Melt chocolate and coconut oil in the microwave or in a double-broiler. Let it cool.

Step 6

When cookies are cooled, dip the flat side of one cookie into chocolate, dip another cookie and sandwich them together. Place on a baking sheet or serving plate. Repeat with remaining cookies. The cookies are ready to be eaten when chocolate has set.