Ingredients

1 1/2 pounds onions, thinly sliced

2 tablespoons olive oil plus more for brushing grill rack

3 garlic cloves, minced

1 tablespoon golden brown sugar

Preparation

Toss onions and next 3 ingredients in large skillet. Place skillet on grill; cook until onions are golden, stirring often, about 25 minutes. Remove from grill; season with salt and pepper.