Combine all ingredients in a mixing bowl and combine thoroughly.
Pour mixture into a greased cast-iron skillet. Preheat oven to 450F. Place skillet into oven and bake for 20-25 minutes, or until top is golden brown and toothpick can be inserted into the bread and removed clean. Serve warm.
1 1/2 cups yellow cornmeal
1 cup all-purpose flour
3 tablespoons baking powder
2 tablespoons melted shortening or lard
1 teaspoon salt
3 medium chipotle peppers -- finely chopped
1/2 small yellow onion -- finely chopped
4 cloves garlic -- minced fine
3 dried tomatoes -- minced fine
1/2 cup pork cracklings
1 1/4 cups beer