Cook bacon in nonstick skillet til crisp. Transfer bacon to paper towel lined plate;reserve drippings. add brown sugar, chili powder and black pepper to skillet along with cooked bacon. Cook, stirring til sugar melts and spices coat bacon.
preheat waffle iron according to manufacture's recommendations. Stir together cornmeal and beer. Let mixture stand 15 minutes so cornmeal absorbs beer.
Whisk together flour, baking powder, and salt; stir into cornmeal mixture along with spiced bacon, 2 Tbsp. drippings, salt, and jalapeno. Pour 1 tsp. bacon drippings into each waffle iron section and heat 1 minute. Scoop 1 Tbsp. waffle batter onto each iron section and cook til crisp, about 5 minutes; repeat til all batter is cooked. For best results, stir bacon til brown sugar melts and the spices cling to the bacon.