There are a variety of ways to describe a tasty treat that is topped with ice cream. Some synonyms for "topped with ice cream" could include "smothered in" or "drenched with" ice cream. Another option might be to use the phrase "drizzled with" to suggest a lighter, more delicate pour of ice cream atop the dessert. Alternatively, one might choose to describe the dish as "crowned with" ice cream, evoking an image of a regal topping atop a sweet creation. Whatever phrase you choose to use, the end result is sure to be a delectable dessert that is impossible to resist!