Tomatoes, carrots and fresh peppers (often hot chilies) are also added.
(For extra zip, my Korean friend added slices of hot green chilies.)
It is sometime heavily spiced with red hot chilies called siling labuyo.
If you do not favor hot chilies, try ginger for a sweeter, less fiery sensation.
Jalapeños or any other small, hot, fresh chilies can be substituted.
Adding to the variety are fresh hot green and red chilies.
That's ancho as in hot chilies - very Southwestern, but not very old-fashioned.
Remove the hot chilies from the oil and beat the oil into the sauce.
Add chopped hot chilies and mild chili strips, mixing lightly but thoroughly.
The kitchen, however, is conservative in its use of hot chilies, and diners are asked their preference.