Ingredients
- 2 strip steaks, about 1 1/2-inches thick, sliced thin crosswise
- Salt and Pepper
- 3 Tbsp olive oil
- 1 small red onion, halved and sliced thin
- 1 Tbsp red wine vinegar
- 1/3 cup mayonnaise
- 1/4 cup crumbled blue cheese
- 2 Tbsp prepared horseradish, drained
- 8 slices thick-cut crusty bread
Preparation
Step 1
1) Pat steak dry with paper towels and season with salt and pepper. Heat 2 tsp oil in large skillet over medium-high heat until just smoking. Cook half of steak until browned all over, about 3 minutes. Transfer to plate. Repeat with additional 2 tsp oil and remaining steak. Add onion and 1 tsp oil to now-empty skillet and cook until browned, about 6 to 8 minutes. Off heat, add vinegar and transfer onion to plate with meat.
2) Combine mayonnaise, blue cheese, and horseradish in small bowl. Brush remaining oil over 1 side of bread. Place bread,oiled side down, on cutting board. spread each slice with flavored mayonnaise. Top 4 slices of bread with steak-onion mixture. Top with remaining bread, oiled side up.
3) Heat panini maker according to directions. Place 2 sandwiches on grill and cook until golden brown. Repeat with remaining sandwiches. Serve.