Spice-Crusted Beef Tenderloin with Caramelized Acorn Squash and Grainy – Burlap & Barrel

Ingredients

• 2 tablespoons Beef & Lamb seasoning
• 2 ½ pounds center-cut beef tenderloin
• 1 tablespoon olive oil
• Grainy Mustard Aioli (recipe follows)
• Caramelized Acorn Squash (recipe follows)
• 3 tablespoons unsalted butter, melted
• ⅓ cup light brown sugar
• 2 teaspoons coarse salt
• 2 large acorn squash (1 pound 13 ounces), seeded and cut into 1-inch wide wedges
• 1 tablespoon plus 1 teaspoon Dijon mustard
• 1 egg yolk
• 2 teaspoons lemon juice
• ¼ teaspoon salt
• 1/8 teaspoon freshly ground black pepper
• 2 teaspoons prepared horseradish
• 2 tablespoons whole grain mustard
• ½ cup olive oil
• 1 tablespoon water