The steak in these quick sandwiches is chopped by pulsing it quickly in a food processor into tender little pieces. To get your base, you’ll cook down a yellow onion and mushrooms, then finish cooking the sirloin in a flavorful mix of ketchup, Dijon mustard, and hot cherry peppers. This dish is a satisfying, comfort-food sandwich, made even more so by the melted sharp Cheddar.
Mix the ketchup, mustard, cherry pepper, and vinegar in a small bowl and set aside.
In a food processor, pulse half of the beef until just coarsely chopped. Transfer to a bowl. Repeat with the remaining beef. Toss the beef with 1/2 tsp. salt and 1/2 tsp. pepper.
Heat 1-1/2 Tbs. of the oil in a heavy 12-inch skillet over medium-high heat until shimmering hot. Add the beef and cook, stirring occasionally, until it loses most of its raw color, about 3 minutes. Transfer to a plate. Heat the remaining 1-1/2 Tbs. oil in the pan. Add the onion and 1/4 tsp. salt; cook, stirring often, until beginning to soften and brown, about 4 minutes. Add the mushrooms and 1/4 tsp. salt; cook, stirring often, until they soften and begin to release their juice, about 2 minutes. Add the ketchup mixture and beef and any accumulated juices. Cook, stirring often, until heated through, about 2 minutes. Stir in the cheese until melted, about 1 minute more.
Split the rolls almost through lengthwise and pile on the steak and arugula. Cut the sandwiches in half, and serve.
Add Crispy Oven Fries for the steak-and-potato lovers in the house.
nutrition information (per serving):
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Photo: Scott Phillips