Based on the shape:
* A stack of pancakes (classic and straightforward)
* A griddle of pancakes (emphasizing their cooking method)
* A round of pancakes (highlighting their circular shape)
* A cloud of pancakes (if they're light and fluffy)
Based on their taste:
* A feast of pancakes (emphasizing their deliciousness)
* A sweetness of pancakes (referring to their sugary nature)
* A treat of pancakes (highlighting their indulgence)
Based on their preparation:
* A batter of pancakes (referring to the mixture used)
* A flipping of pancakes (a playful reference to the cooking process)
More creative options:
* A sunshine of pancakes (evoking a warm, sunny breakfast)
* A symphony of pancakes (if they have a variety of toppings)
* A happy pile of pancakes (because who doesn't love pancakes?)
Ultimately, the best collective noun depends on the context and the specific image you want to evoke.