oohs, ooze

Oohs or oohs is the plural ( more than one ) of "ooh", an expression of interest or admiration, most commonly used in the phrase "oohs and ahs"--
She was pleased with her efforts when she brought out the platter and heard the oohs and ahs.
We enjoy the fireworks, and the oohs and ahs that go with them.

Ooze or ooze ( rhymes with oohs ) means to flow or exude slowly through openings or under doors--
We'll need sandbags, so that the mud won't ooze under the door.
You'll need a watertight container; something the mud won't ooze out of.

Ooze may also mean soft mud or slime--
All of the creatures on Earth are supposed to have originated in the primordial ooze.
He lost his shoe when it stuck in the ooze.

Now that you know that, you can say--
"Seal the outside, so the batter won't ooze out; you'll be hearing oohs and ahs when the cake is done."