Canned pumpkin puree replaces most of the fat in this moist corn bread.
Heat oven to 425 degrees. Mix together dry ingredients. Seed and mince 2 jalapenos; mince the third, including the seeds.
Whisk together eggs, oil, buttermilk, pumpkin, corn, and jalapenos. Add to dry ingredients; whisk to combine.
Spray an 8-by-11-inch baking pan with vegetable-oil spray. Pour in batter; bake for 20 to 25 minutes, rotating pan once halfway through. Cool on a wire rack.