When Roseanne goes to pay for the items at the self checkout at the beginning of the episode, she pulls out a credit card to pay for the items, but when the camera shot changes, she clearly no longer has the credit card as it shows both hands. The camera shot goes back and forth and it's a case of "there she has it, now she doesn't."
Roseanne said she had to open the cakes to know what was inside, and almost wasted her time fixing up a carrot cake. Carrot cakes are identifiable on the outside from the orange and green carrots made from frosting decorating the top.