Ingredients

1/2 cup water1/2 cup white vinegar1/4 cup sugar1 teaspoon salt, divided 1 large carrot, julienned1/2 medium daikon radish, julienned1 pound ground beef1/8 teaspoon pepper4 kaiser rolls, split1/2 cup Sriracha mayonnaise1/2 medium cucumber, thinly sliced8 sprigs fresh cilantro

Preparation

In a small saucepan, combine water, vinegar, sugar and 1/2 teaspoon salt. Bring to a boil; whisk until sugar is dissolved. Remove from heat. Add carrots and radish; let stand until serving. Shape beef into four 3/4-in.-thick patties. Sprinkle with pepper and remaining 1/2 teaspoon salt.

In a 12-in. cast-iron or another heavy skillet, cook burgers over medium heat until a thermometer reads 160°, 8-10 minutes on each side. Remove and keep warm. Wipe pan clean. In the same pan, toast rolls over medium heat, cut side down, 30-60 seconds. Spread rolls with mayonnaise. Drain pickled vegetables. Serve burgers on rolls with pickled vegetables, cucumber and cilantro.