Adding Beer To Chili Is A Simple 2-Step Process Anyone Can Perfect - Tasting Table
Briefly

Adding beer to chili is a simple two-step process that enhances flavor. Initially, a splash of beer should be used to deglaze the pan while cooking onions, garlic, and proteins. In the final stages, more beer is added to deepen the flavor. Malt forward beers like stout or porter can add rich undertones, while chili-flavored beers introduce additional spice. If chili beer isn't available, spicy chili peppers can be added to any beer for flavor enhancement.
A splash of beer in the beginning to deglaze and more to finish is a great way to layer the beer flavor throughout chili preparation.
Using malt forward beers like stout, porter, amber, marzen or bock can add roasty flavors to the chili and enhance existing flavors from browned meat.
A chili-flavored beer can amp up the heat level in chili. It's best to use spicy chili beer to maintain its flavor during cooking.
If chili beer isn't available, adding spicy chili peppers to regular beer can create a custom flavor profile for your chili.
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