The onion mayonnaise is the secret to these hearty, flavorful sandwiches—don’t skip it!
Pork Tenderloin Sandwiches with
Caramelized-Onion Mayonnaise
Caramelized-Onion Mayonnaise
Makes 8 servings
Ingredients
- 2 (1-pound) pork tenderloins
- 1 teaspoon salt
- ½ teaspoon ground black pepper
- 1 tablespoon canola oil
- 8 kaiser rolls with sesame seeds, split
- Caramelized-Onion Mayonnaise (recipe follows)
- 1 cup stone-ground mustard
- 2 Braeburn apples, cored and thinly sliced
- 8 slices Havarti cheese 4 cups arugula
Instructions
- Preheat oven to 375°. Spray a rimmed baking sheet with cooking spray.
- Season pork with salt and pepper. In a large skillet, heat oil over medium-high heat. Add tenderloins; cook, turning occasionally, until browned, approximately 7 minutes. Place pork on prepared baking sheet.
- Bake until a meat thermometer inserted in tenderloin registers 145°, approximately 22 minutes. Let rest for 20 minutes.
- Wrap tenderloins in foil. Refrigerate until thoroughly chilled. Cut into ¼-inch slices.
- Spread cut sides of kaiser rolls with Caramelized-Onion Mayonnaise and mustard. Fill rolls with pork, apple slices, cheese, and arugula.
Caramelized-Onion Mayonnaise
Makes approximately 2 cups
Ingredients
- 1 tablespoon canola oil
- 2 cups chopped onion
- ¼ teaspoon salt
- 3 to 5 tablespoons water
- 1½ cups mayonnaise
Instructions
- In a medium skillet, heat oil over medium-high heat. Add onion; cook, stirring occasionally, until lightly browned around edges, approximately 4 minutes. Reduce heat to medium-low; sprinkle with salt, and slowly stir in 2 tablespoons water. Cook, stirring occasionally, until onions are deep golden brown and tender, approximately 15 minutes. (Stir in 1 tablespoon water occasionally to prevent onions from sticking to pan). Let cool completely. Spoon into a bowl. Add mayonnaise, stirring until blended. Use immediately, or cover and refrigerate for up to 3 days.
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