Step 1

Preheat a cast iron skillet over medium-high heat.

Step 2

Grate half of a medium onion using the smallest holes of a box grater.

Step 3

Measure two tablespoons of the grated onion, leaving behind any liquid.

Step 4

Add the ground turkey, Worcestershire sauce, grated onion, salt and pepper to a bowl.

Step 5

Mix the burger mixture well, trying not to overwork the turkey meat.

Step 6

Divide the turkey into four equally portioned balls.

Step 7

Heat a cast iron skillet over medium-high to high heat. Add a bit of oil and add the burgers. As soon as they hit the pan, smash the burgers flat using the back of a spatula.

Step 8

Cook for about 4 minutes per side. Flip the burgers halfway through.

Step 9

Meanwhile, toast the buns.

Step 10

If adding cheese, add it the last two minutes of cooking.

Step 11

Remove the finished burgers from the pan, measuring with a meat thermometer to ensure they have reached an internal temperature of 165 degrees Fahrenheit.

Step 12

Build your burgers, adding your preferred toppings and condiments. Serve right away.