Grilled Shrimp Paste on Sugarcane

Name: Grilled Shrimp Paste on Sugarcane
Ingredients: 1 tablespoon canola oil; ¼ cup finely chopped yellow onion; ½ cup finely chopped shallots; 1 pound shrimp, peeled and deveined; 2 teaspoons Asian fish sauce; ¼ teaspoon salt; 1 tablespoon sugar; 1 teaspoon minced garlic; ½ teaspoon freshly ground white pepper; 2 tablespoons cornstarch; ½ teaspoon paprika; ½ teaspoon baking powder; 2 scallions, white and light-green parts only, finley chopped; 3 six-inch pieces sugarcane, fresh or canned, cut lengthwise into quarters; Scallion-Infused Oil , optional