Cream together butter with 1 cup and 2 tablespoons sugar. Add 2½ teaspoons of vanilla extract.
Beat in eggs one at a time. Add the flour and baking powder and mix until just combined.
Pour half of the batter into a greased springform pan.
Mix cocoa powder and milk into the other half of the batter. Pour the chocolate batter into the cake pan.
Drain the cherries in a sieve, reserving the juice.
Spread the cherries over the batter. Bake for 45 minutes.
Let the cake cool on a cake plate. Place a cake ring or the rim of the springform pan around it.
Prepare the cream mixture by mixing the Skyr with 2 teaspoons of vanilla extract, 1 tablespoon of vanilla instant pudding mix, ¼ cup sugar, and a pinch of salt.
Whip the heavy cream with the remaining pudding mix until stiff. Fold it into the Skyr mix. Spread the mixture over the cake and chill for 2 hours.
Mix 1 cup of cherry juice with 1 tablespoon of sugar and the clear cake glaze according to package directions. Immediately pour the glaze over the rounded side of a tablespoon onto the Skyr mix.
Let the cake cool for another 30 minutes before serving.