Why do frozen round hamburgers turn oval when fried?

When hamburgers cook the fat inside melts, the water turns to steam, and the protein strands contract. This causes the burgers to become misshapen. read more

When hamburgers cook the fat inside melts, the water turns to steam, and the protein strands contract. This causes the burgers to become misshapen. You can prevent this from happening by making a dimple in the center of the raw burger before you cook it. Simply take your finger and make a hole about 3/4 of the way into the center of the burger. read more

I throw the burgers on high heat, using nothing but freshly ground pepper and salt on both sides. But they shrink so much! I had to actually find "mini" hamburger buns in the store. read more