Preheat oven to 356 F / 180 C. Place 8-10 paper forms in a muffin pan.
Whisk oat drink and apple cider vinegar together.
Mix dry ingredients in another bowl: flour, oat bran, sugar, baking powder and salt.
Add oil and oat drink + acv mixture and mix until no clumps in the batter.
Pour batter (or spoon) in the paper forms (almost full).
Swirl a heaped tsp of berry jam inside each cupcake.
Bake mid rack for about 35 minutes or until toothpick test comes out clean.
Let cupcakes cool before decorating. Pipe cream on top, add berry nose and chocolate eyes and enjoy these cupcakes with loved ones :)