Grilled Shrimp Satay

Name: Grilled Shrimp Satay
Ingredients: 1 small onion, coarsely chopped; 4 garlic cloves, coarsely chopped; 3 large stalks of fresh lemongrass, bottom third of the tender white inner bulb only, thinly sliced; 1/4 cup minced fresh ginger; 1/2 cup vegetable oil; 1 tablespoon ground coriander; 1 tablespoon sugar; 1 teaspoon ground fennel seeds; 1 teaspoon ground cumin; 1 teaspoon turmeric; 1 teaspoon kosher salt; 30 large shrimp (about 1 3/4 pounds), shelled and deveined; Garlic Peanut Sauce