CAN YOU ADD FLAVORING TO CANNED FROSTING OPTIONS

I purchased some DuncanHines coconut Pecan frosting, plus the nuts in it taste OLD, I'm realy disapointed as well, since I always felt very good in purchasing, DuncanHines cale mixes and frosting many thanks Dorothy InmanWhile we will not resist a selfmade cake, we don't have enough time or tolerance to whip up a three-tiered layer cake on some d