Pre-Columbian Mesoamerica. Atole is documented in the Florentine Codex (Sahagún, 1569) as a daily food across all social classes of Aztec society.
Atole (from Nahuatl atolli, watery masa) is Mexico's ancient corn beverage: masa or masa harina dissolved in water or milk, sweetened with piloncillo (unrefined cane sugar), and flavoured with cinnamon (Mexican canela, Ceylon cinnamon), vanilla, or fruit. It is a pre-Columbian preparation that predates chocolate and was described in early colonial sources as the primary breakfast food of the Aztec nobility. Champurrado is the chocolate variant — atole enriched with Mexican chocolate (Ibarra or Abuelita brand) — and is the traditional accompaniment to tamales on Christmas morning (Noche Buena). The technique: masa harina or fresh masa is whisked into cold water to prevent lumping, then heated over medium heat, stirring constantly to prevent scorching on the pot bottom, until thickened. The consistency ranges from thin (a drinkable liquid) to porridge-thick, depending on the occasion. Street atole from Mexico Citys tamale vendors has the texture of a thin cream soup.
Atole has a distinctly earthy, warm corn character from the nixtamalized masa, sweetened and spiced with cinnamon and piloncillo. Champurrado adds the bittersweet complexity of Mexican chocolate.
Disperse masa in cold liquid before heating — adding masa to hot liquid causes immediate lumping Stir constantly during thickening — masa starch settles rapidly and scorches Piloncillo dissolves slowly — grate or chop it before adding for faster dissolution Strain through a fine sieve before serving if any lumps have formed
For champurrado, use Ibarra chocolate (Mexican tablet chocolate with almonds and cinnamon) for the most authentic flavour — it dissolves fully in the hot atole A pinch of salt in atole dramatically improves the sweetness perception without the drink tasting salty
Adding masa to hot liquid — produces unworkable lumps Leaving unstirred even briefly — the bottom scorches and the burnt flavour permeates the whole pot Using regular cinnamon (Cinnamomum cassia) instead of Mexican canela (Ceylon cinnamon, Cinnamomum verum) — canela is softer, sweeter, and more complex
Diana Kennedy, The Art of Mexican Cooking; Pati Jinich, Treasures of the Mexican Table