In a grocery store, the term "commercial bakery" refers to the "bread aisle" that sells things like bagged sandwich bread, hot dog and hamburger buns, pre-boxed donuts, and other factory-produced bakery items. Hopefully, you're imagining something like this:

We want your ideas for new products that could be sold in this part of the grocery store. Specifically, we're looking for seasonal product ideas that would appeal to shoppers at certain times in the year. Remember, these products are factory produced, so the ideas should NOT be something that would be more appropriately sold in the fresh bakery section of the grocery store.