I make the best chili of anyone I know
beside the standard ingredients I also
add Chipotle' Peppers, and Dark Chocolate.

(consider the source: Mexico/South America
home of tomatoes, peppers AND chocolate)

umm 'nother secret:
a match-head-sized pinch of Baking Soda wink

lol ...why wait for the heartburn sick
before taking the bi-carb? grin
I add it to my tomato sauce as well. smile