1Preheat oven to 350
Day one: Season brisket with salt aand pepper. Place in 9×13 baking dish.Cover with onion slices. Combine chili sauce, brown sugar, garlic and beer. Pour over meat. Bake until tender 2 to 2 1/2 hours
2Cool and refrigerate meat and gravy separately.
Day two:Remove fat from gravy . Heat gravy adding flour mixed with a little water.
slice meat thinly across the grain and heat in gravy.