Preheat oven to 325F. Season the brisket point liberally with salt and pepper. Let sit in a glass baking dish for at least 30 minutes.
Top the brisket with sliced onions and corn.
In a bowl, mix the beer, chili, and brown sugar. Pour this mixture over the brisket. Partially cover the dish with aluminum foil and back for 3 hours. Finish uncovered for 30 minutes.
Optional dinner additions: Serve with cilantro, sour cream, avocado, corn bread or Hawaiian Bread.