Ingredient

Bourbon

American corn whiskey aged in charred new oak, which is where the vanilla and caramel come from. In cooking the alcohol goes and those barrel notes stay, so it reads as sweetness and wood rather than as spirit.

Sourcing
Any off-licence. A mid-range bottle is right for cooking; the subtleties of an expensive one do not survive a pan.
Varieties
Straight, Small batch, Single barrel, Wheated
Quality cues
Amber to deep copper. Colour comes from the barrel and tracks age loosely.
Substitutions
Rye whiskey, drier, Dark rum, sweeter, Brandy
Storage
Upright in a cupboard so the spirit does not sit against the cork. It does not improve in the bottle but barely declines either.
Shelf life
Indefinite sealed, years opened
Nutrition

Per 100 g

Calories
250 kcal
Protein
0 g
Fat
0 g
Carbs
0.1 g
Fibre
0 g
Sugars
0 g
Sodium
1 mg

From USDA FoodData Central (#171919). Raw, edible portion.