upside-down cake

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A single-layer cake baked with sliced fruit at the bottom, then served with the fruit side up.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A fruit-based cake that is inverted after cooking.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun batter baked atop a layer of sweetened fruit then turned upside down so fruit is on top