1 tablespoon packed brown sugar
1 teaspoon paprika
1/2 to 1 teaspoon ground ancho chile pepper
1/2 teaspoon ground cumin
1/4 teaspoon salt
1/4 teaspoon freshly ground pepper
1/8 teaspoon cayenne pepper (or more, if desired)
1 pound uncooked shrimp (16-20 per pound), peeled and deveined
3 medium peaches, each cut into 8 chunks
1/2 red or white onion, cut into 1-inch squares
1 green, red or yellow pepper, cut into 1-inch squares
Olive oil for brushing, or olive oil cooking spray
Lime wedges +