Slice the pork tenderloin into equal medallions, roughly ¼ inch (6 mm).
2. Step
Pound the cutlets thin. Slice into slider size, roughly 3 square inches (7 ½ cm).
3. Step
Mix flour, salt, and pepper in one bowl. Whisk two eggs in another bowl. Pour bread crumbs in the third bowl.
4. Step
Dredge each cutlet in the flour mix, then egg mix, then breadcrumbs.
5. Step
Heat up cooking oil in a large pan. Fry the cutlets until they are golden brown.
6. Step
Set cutlets on a paper towel to remove excess grease.
7. Step
Melt butter in a skillet over medium heat. Add sliced onions and cook until starting to brown. Pour beer and stir occasionally. When the liquid is gone, the onions are ready.
8. Step
Stack your sliders: pork, lemon juice, cheese, onion, sliced red cabbage, pork, and insert a toothpick to hold the slider together.