Combine dry ingredients. Add remaining ingredients and mix well. Pour into greased medium iron skillet or non-stick pan. Bake for about 30 minutes. I have found it takes a little longer, but I start checking it at 30 minutes. You want it to be brown on top and firm to the touch in the middle.
I like it spicy, so I usually add a little cayenne pepper into the dry ingredients and always use at least 4 jalapenos. If you don't like spicy, just omit the peppers.