Preheat oven to 400F and grease a brownie pan or 9" round pan.
Combine dry ingredients (flour, cornmeal, sugar, salt, baking powder). Stir to combine.
Add wet ingredients (soy milk, oil).
Add most of the jalapenos and scallions, If adding corn kernels and shredded cheese, add them now. Stir, and then pour the batter into the pan.
Add leftover jalapeno and scallions as a topping.
Bake for 20-25 minutes, until a toothpick comes out clean.