Turkey Burgers With Red Onion Relish

• Ready In: 25 mins
• Serves: 4

Ingredients

• 1  bunch scallion, cut into 4 pieces
• 2  cups  fresh shiitake mushrooms
• 1 1⁄4 lbs ground turkey
• 1  large egg (or alternative)
• 1⁄2 teaspoon dry mustard
• 1  tablespoon Worcestershire sauce
• 1⁄4 teaspoon fresh ground black pepper
•  salt
• 2  cups red onions, slices thin
• 1  tablespoon granulated sugar
• 2  tablespoons red wine vinegar
• 1⁄2 head red leaf lettuce
• 4  fresh bakery  rolls or 4  hot dog buns

Directions

1. Prepare grill (or broiler).
2. Place scallions in a food processor; pulse until chopped, about 10 pulses.
3. Add mushrooms and pulse until chopped; about 10 pulses.
4. Add turkey, egg, mustard, Worcestershire sauce, pepper, and 2/3 of the salt; pulse until combined; about 30 seconds.
5. Divide mixture into equal parts.
6. Shape into burgers.
7. Combine red onions with sugar, vinegar, and remaining salt in a medium-sized mixing bowl.
8. Toss thoroughly to combine.
9. Set aside to marinate for a minimum of 15 minutes.
10. Place burgers on grill or under broiler until golden-brown, about 5 minutes on each side.
11. Serve burgers with washed lettuce, marinated red onions, and mayonnaise on a toasted bakery roll.
12. If desired, stir some pesto into your favorite mayonnaise to create a pesto mayonnaise spread.