Possible Clues:

• Dessert often described as "decadent"
• Cake slowcoach had, but nothing is left
• Cake’s radius: where to bet about it
• Dessert with a German name
• Cake served during breakfast or tea
• Bag containing initial slice of rich cake
• Rich cake a part of breakfast or tea
• Rich cake and cream dessert from Austria
• Linzer ___ (Austrian pastry)
• Very rich cake