Use ground beef with 15–20% fat
Avoid overmixing the meat
Form patties gently
Make patties slightly larger than the bun
Press a small dimple in the center
Season just before cooking
Keep the meat cold before cooking
Cook over medium-high heat
Flip only once
Do not press the patties while cooking
Cook to medium or medium-well, not overdone
Let burgers rest briefly before serving
Add moisture-rich toppings
Use a sauce or spread on the bun
Toast buns lightly to help retain juices