Add whatever spices you like to your ground beef, mix evenly, and create ice cream scoop size portions of beef balls. Then cook in a preheated cast iron skillet over medium-high heat with nonstick cooking spray. Let the balls get brown and use a spatula to press down on the balls to flatten them into patties. As instructed above and within the recipe card, let the patties cook on the same side for another 1-2 minutes, and flip. Let the patties cook for another 2-3 minutes, and remove from the pan. The dress the slider accordingly!