Cowpoke Cornbread

1 cup cornmeal
1/2 cup self-rising flour
1/4 teaspoon baking soda
1 cup buttermilk
1 (8 ounce) can creamed yellow corn
2 large eggs, lightly beaten
1/4 cup vegetable oil
1 cup shredded Cheddar cheese
2 to 4 jalapenos, chopped
1/4 cup chopped onions

Combine dry ingredients, including peppers and cheese; add wet ingredients and mix just until combined. Pour into hot iron skillet or 8-inch square pan. Bake at 400 degrees F until golden brown, about 20 minutes. Serve warm.