Yes, using human flesh!
"The ingredients were boiled tomatoes, salt, chiles and meat. Bernal Diaz del Castillo, one of Hernan Cortez's Captains and the source of the recipe, states in his book, that the Cholulan Indians, allied with the Aztecs, were so confident of victory in a battle against the Conquistadors the following day that they had "already prepared cauldrons of tomatoes, salt and chiles" in anticipation of a victory feast. The one missing ingredient, the meat, was to be furnished by the Conquistadors themselves: their own flesh"
Beef came much later.