Beef & Mushroom Burgers with Asparagus Salad

Instructions

1. Heat 1 tablespoon oil in a large skillet over medium. Finely dice half of onion; add to skillet along with mushrooms and cook, stirring frequently, 8-10 minutes or until slightly browned and most of the moisture has evaporated.
2. Add the mushroom mixture to a large bowl along with beef, parsley, garlic, Worcestershire sauce and egg; season with salt and pepper, if desired. Form mixture into six patties. Cover and set aside.
3. Bring a pot of salted water to a boil; add asparagus and cook 4 minutes. Drain and add to a second large bowl; thinly slice remaining onion and add to bowl along with dressing; toss to combine. Set aside.
4. Wipe skillet clean; add remaining oil and return to stove over medium. Working in batches if necessary, add patties; cover and cook 6 minutes per side. Remove from skillet and let rest 5 minutes.
5. Add greens and dill to bowl with asparagus mixture; toss to combine. Divide prepared patties among buns and top with asparagus mixture. Serve immediately.