Mexican Cornbread (gluten free version)

This is a combination of my mom's gluten free cornbread and my mother-in-law's Mexican Cornbread.

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2 cups corn meal
1 tsp salt
1 tsp baking soda
1/2 tsp baking powder
2 eggs
2 cups buttermilk
1/2 cup chopped onion
1 can cream style corn
1 cup grated cheddar cheese
chopped jalapenos, according to taste

Preheat oven to 4oo degrees. Put bacon grease in a 9 x 13 pan. Place pan in oven while oven is preheating. Mix all ingredients together. Pour excess bacon grease from pan into batter and stir. Pour into preheated 9 x 13 pan and cook for 25 minutes.