Here’s how to make a Big Mac at home, but 10x better. Step 1: Prep & Cook the Patties Start with 80/20 ground beef. You’re going to want two smash patties for each burger, so plan accordingly. Roll into equal-sized balls. Heat a griddle or pan to medium-high and add the meat. Use a press or a firm spatula to smash them down really well. Season with salt & pepper. Step 2: Prep the Buns Each Big Mac has three bun halves— two bottom halves and one top half. If you want to mimic that classic McDonal