Clarification: Slots 1 and 5 have 2 pages. You can ONLY select one ingredient per page on Page 5. This limits you to only 1 cake flavor due to 5's Keyword.
For the CG ending this recipe almost works. Slot 1 and 2 are correct. Just add the single Yellow keyword to slot 1. Slot 3,4, and 5 all must share the same flavors, alongside having the blue keyword in 5 with the added restriction of only one ingredient per page on 5.
CG ending involves a berry