Witty Rejoinder said:

Dontcha hate it when you forget to buy the one ingredient that without which you cannot even attempt a meal. In this case the Mexican seasoning… Pizza will have to be made instead but this abrupt change of plans is quite discombobulating. T&P are much appreciated.

I’m sure that there’s webpages somewhere, devoted to just that situation, and what happens when imaginative substitutions are made.

If not, then there should be. I reckon that we’ve all done it, once or twice.