Smoked Gouda Burgers With Horseradish Butter, Grilled Onions, And Arugula

• 4 tablespoons unsalted butter, softened
• 2 tablespoons prepared horseradish
• 2 teaspoons finely minced garlic
• 1 teaspoon fresh lemon juice
• 1 teaspoon salt, divided
• 1 pound 80% lean ground chuck
• 3 tablespoons dry red wine
• 1/2 teaspoon freshly ground black pepper, divided
• Cooking spray
• 4 (3/4-ounce) slices smoked gouda cheese
• 4 (1/4-inch-thick) red onion slices
• 4 potato rolls, split horizontally
• 8 thin tomato slices
• 3/4 cup baby arugula

1. Combine first 4 ingredients and 1/4 teaspoon salt in the bowl of a mini food processor; process until smooth.
2. Combine ground beef and red wine in a medium bowl; mix gently. Divide mixture into 4 equal portions; gently shape each portion into a 1/2-inch-thick patty. Sprinkle patties evenly with 1/2 teaspoon salt and 1/4 teaspoon black pepper.
3. Heat a grill or grill pan over medium-high heat; coat with cooking spray. Place patties on grill, seasoned sides down, and sprinkle with remaining 1/4 teaspoon each salt and pepper. Grill 3 minutes; flip patties and grill 4 more minutes or until desired degree of doneness. Top each patty with 1 slice cheese during last 30 seconds of cooking. Remove burgers from grill; cover loosely with foil. Grill onion slices 3 minutes on each side or until softened and lightly charred.
4. Spread 3 tablespoons horseradish butter evenly over cut sides of rolls; grill, cut sides down, 1 minute or until lightly toasted. Remove rolls from grill, and spread remaining horseradish butter over roll bottoms; top with tomato slices, patties, onion slices, arugula, and bun tops.

unsalted butter, horseradish, garlic, lemon juice, salt, red wine, freshly ground black pepper, cooking spray, gouda cheese, red onion, potato rolls, tomato, baby arugula

Taken from www.myrecipes.com/recipe/smoked-gouda-burgers-horseradish-butter-grilled-onions-arugula (may not work)