Mix together the taco seasoning in a small bowl and set it aside.
Brown up the beef: Get out a large skillet or pan, pour the oil into it, and place it over medium-high heat. Toss in the ground beef and use a wooden spoon to break it up into small chunks. Continue to cook, stir, and break apart the ground beef until it is cooked through and begins to brown up.
Add seasonings and liquid: Toss in the taco seasoning and stir until all of the beef is coated in it. Stir and sautee these ingredients for a minute to toast the spices then pour in the beef broth or water. Stir everything together and let it come to a low boil/simmer. At this point, you are simply going to let it simmer down until it is the consistency that you like. If you prefer the taco meat saucy then it should only take a minute or two. If you like it rather dry then it might take 4 to 5 minutes.
Assemble the tacos by filling taco meat into hard shells, and covering it with any topping that you prefer. Enjoy!