Step 1: Make the sauce with guajillo peppers, garlic, cumin, peppercorns, and oregano.
Step 2: Make the filling with ground beef, guajillo sauce, and vegetables.
Step 3: Prepare the tamales dough with masa harina, lard, and beef stock.
Step 4: Spread tamales dough in a corn husk and add the ground beef filling.
Step 5: Wrap nicely and place tamales in a steamer. Steam for 1 hour and 15 minutes.