Chicken Lollipop

Ingredients:
1 (2-inch) piece fresh ginger
4 cloves garlic
2 tablespoons neutral oil, such as canola
2 tablespoons kashmiri chili powder (or 1 1/2 tablespoons smoked paprika and 1 teaspoon ground cayenne)
1 teaspoon low-sodium soy sauce or tamari
1 teaspoon kosher salt
1/2 teaspoon rice vinegar
12 chicken drumettes and wingettes, or 6 whole chicken wings