The perfect CHEESE STEAK PANINI! Full recipe below. Til next year Eagles! Make 4 panini Ingredients: 1, 9 ounce ribeye, par frozen 1 tbs olive oil 1 small sweet yellow onion, sliced thin 1 tsp kosher salt 3 tbsp mayonnaise 2 tsp jarred Calabrian chili paste 8 slices of bread 4 tbs chopped pepperoncini 8 slices of cheddar or colby cheese -Use a knife to slice the par-frozen ribeye very thinly. -Add the olive oil and onion to a large skillet and heat over medium heat until the onions are transluce