Possible Clues:

• Starts at the entrance. That takes the cake!
• Starting at the way in, one ate this during Aug.
• Entrance with gold, and rich food
• What one ate during Aug.
• Black Forest dessert
• Entrance to a university named for Black Forest?
• Nice cake, for example?
• Entrance to a university is a piece of cake
• Opening something expensive, food
• Sweet drink in ancient European region, unfinished