Herbed Hamburgers with Arugula

• 3/4 pound ground beef
• 1 teaspoon minced fresh thyme leaves
• 1 teaspoon vegetable oil
• mayonnaise to taste
• 2 onion rolls or hamburger buns, split
• 2 tablespoons finely chopped red onion
• 3/4 cup washed, spun dry, and chopped arugula

1. In a bowl gently combine beef and thyme and form into two 3/4-inch-thick patties.
2. In a heavy skillet (preferably cast iron) heat oil over moderately high heat until hot but not smoking and reduce heat to moderate.
3. Cook patties 3 1/2 minutes on each side for medium-rare meat and drain on paper towels.
4. Spread mayonnaise on insides of rolls and buns and make sandwiches with onion, arugula, and patties.

ground beef, thyme, vegetable oil, mayonnaise, onion rolls, red onion, arugula

Taken from www.epicurious.com/recipes/food/views/herbed-hamburgers-with-arugula-12471 (may not work)