Grilled cilantro chicken with pickled tomato and avocado salsa

INGREDIENTS

1 lb

beefsteak tomatoes, quartered and seeded

serrano chiles, thinly sliced

1/2 cup

thinly sliced green onions

1/2 cup

distilled white vinegar

2 1/2 tbsp

packed light or dark brown sugar

1 1/2 tsp

kosher salt

4 tsp

minced fresh ginger

1 tbsp

minced garlic

2 tsp

mustard seeds

2 tsp

freshly cracked black pepper

2 tsp

ground cumin

1 tsp

cayenne

1/2 tsp

turmeric

1/2 cup

extra-virgin olive oil

firm-ripe avocados

1/4 cup

extra-virgin olive oil

1/4 cup

fresh lime juice

1/2 cup

chopped cilantro

1 tbsp

ground cumin

1/2 tsp

kosher salt

1/2 tsp

freshly ground black pepper

chicken breast halves with bone and skin (2 1/2 lbs. total)