What You Need to Know
During heating, the sugar dissolves in the almond paste forming a syrup that reaches the B1 stage (~160–170 °C), where the sugar crystallizes into a fine, stable network. The protein and fat from almonds act as emulsifiers, stabilizing the sugar crystals and preventing graininess. Cooling to 60–70 °C allows the mixture to set into a pliable dough suitable for shaping.
The Science
Primary Reaction
Syrup heating and sugar crystallization (B1 stage)