Preheat the oven to 400 degrees Fahrenheit. Spray a medium baking dish with pan spray and set aside.
Mix 1 pound ground turkey, 1 cup Italian breadcrumbs, 1 small onion, diced, 3 cloves garlic, minced, 2 large eggs, ¼ cup milk, ½ teaspoon salt, and ¼ teaspoon pepper in a medium bowl until everything is incorporated.
Roll the mixture into 1 ½-2-inch balls and place in the prepared baking dish.
Bake for 20-25 minutes, until the internal temperature of the meatballs reaches 165 degrees Fahrenheit and the tops are lightly browned.
