Best Beefy Burgers With Roasted Onion & Peppercorn Mayo

• 1 small red onion, chopped
• 1 tablespoon olive oil
• 1-1/4 teaspoons salt, divided
• 1/2 cup mayonnaise
• 1/2 teaspoon whole peppercorns, crushed
• 1-1/2 pounds ground beef
• 4 kaiser rolls, split and toasted
• Optional ingredients: tomato slices and lettuce leaves

1. Place onion on a greased
2. . Drizzle with oil and sprinkle with 1/4 teaspoon salt; toss to coat. Bake at 400u0b0 for 8-12 minutes or until tender. Cool slightly. In a small bowl, combine the mayonnaise, crushed peppercorns and onion mixture; set aside.
3. Sprinkle beef with remaining salt; gently mix. Shape into four patties. In a large skillet, cook patties over medium heat for 6-8 minutes on each side or until a thermometer reads 160u0b0 and juices run clear. Serve on rolls with mayonnaise mixture and, if desired, tomato and lettuce.

red onion, olive oil, salt, mayonnaise, whole peppercorns, ground beef, kaiser rolls, tomato

Taken from www.tasteofhome.com/recipes/best-beefy-burgers-with-roasted-onion-peppercorn-mayo/ (may not work)