The Globe did a great series online about the best cioccolato caldo in the area, and I haven't yet been to
Simon's Coffee Shop in Porter Square offers something different: Mexican hot chocolate. This variety is flavored with cinnamon and cayenne pepper, resulting in an enticing mix of spicy and sweet.
Location: 1736 Massachusetts Ave., Cambridge
Prices: Mexican and peppermint hot chocolate: Small: $2.85. Medium: $3.45. Large: $3.80. Regular hot chocolate: Small: $2.29. Medium: $2.69. Large: $3.19.