Corned Beef without sauce stalks

1 (3 pound) corned beef brisket with spice packet 1 cup brown sugar 4 (12 fluid ounce) cans or bottles Irish stout beer (such as Guinness®), or more if[...]

1 (3 pound) corned beef brisket with spice packet 1 cup brown sugar 4 (12 fluid ounce) cans or bottles Irish stout beer (such as Guinness®), or more if[...]

1 (4 pound) corned beef brisket with spice packet 1 tablespoon spicy brown mustard 2 cloves garlic, minced 22 fluid ounces IPA beer (such as Lagunitas®[...]