Heat a 10- to 12-inch (1 1/2-inch deep) cast-iron skillet in oven 15 minutes.
Meanwhile, melt butter in a large skillet over medium heat.
Add onion and bell pepper; saut 5 minutes or until onion is tender.
Remove from heat. Stir in seeded and minced jalapeos.
Stir together milk, oil, and eggs in a large bowl. Stir in corn, cheese, onion mixture, and chopped green onion.
Stir together cornmeal and next 5 ingredients just until blended. Stir in milk mixture, stirring just until dry ingredients are moistened. Stir in crawfish.
Pour into hot cast-iron skillet.
Bake at 400 for 45 minutes or until golden brown.
Serve immediately.
Note: To make cornbread in a baking dish, prepare recipe as directed, beginning with Step
Pour batter into a well greased 13- x 9-inch baking dish. Proceed with recipe as directed, increasing bake time to 50 minutes.
Shrimp Cornbread: Substitute 1 lb. unpeeled, medium-size raw shrimp (31/35 count), peeled, deveined, and coarsely chopped, for crawfish. Proceed with recipe as directed.