Turkey Burgers With Red Onion Relish

• 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

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.

scallion, fresh shiitake mushrooms, ground turkey, egg, dry mustard, worcestershire sauce, fresh ground black pepper, salt, red onions, sugar, red wine vinegar, red leaf, bakery rolls

Taken from www.food.com/recipe/turkey-burgers-with-red-onion-relish-40914 (may not work)