Step 1

Drop garlic through food chute with food processor on; process until chopped. Add parsley and next 6 ingredients (through black pepper); process until finely chopped. Add 1/8 teaspoon salt; pulse to combine. Combine herb mixture and chicken in a medium bowl; toss to combine. Cover and refrigerate 1 hour. Wipe out food processor.

Step 2

Combine 1/2 cup blueberries, vinegar, and honey in a small saucepan over medium heat. Bring to a boil; reduce heat to low, and cook 10 minutes or until thickened, pressing with a spoon to break up blueberries. Place blueberry mixture in a medium bowl. Add remaining 1/2 cup blueberries to food processor; pulse 5 times. Combine chopped blueberries, 1/8 teaspoon salt, onion, and jalapeño pepper with vinegar mixture.

Step 3

Preheat grill to medium-high heat.

Step 4

Thread 6 chicken pieces evenly onto each of 4 (8-inch) skewers. Sprinkle with remaining 1/4 teaspoon salt. Place chicken on grill rack coated with cooking spray; grill 10 minutes, turning occasionally. Serve with blueberry salsa.