Chocolate, Caramel, Coffee or Cream...
Where do we begin, 'cause its all so so so good!
Desserts are a little easier to create than cooking an entire meal... so here you have more flexibility in asking your partner create you something you have never tried before... or on the flip side as for a dessert you remember from your childhood.
TIPS FOR CONSIDERATION
There are so many themes you can work with. Either give your partner a recipe, or provide them with a key ingredient and leave the rest up to them.