Thai Pork Satay

Name: Thai Pork Satay
Ingredients: 0.25 cup crunchy peanut butter; 0.25 cup finely chopped green onions; 2 tablespoons soy sauce; 2 tablespoons lemon juice; 1.5 tablespoons brown sugar; 2 teaspoons minced garlic; 1 teaspoon ground coriander; 0.125 teaspoon ground cayenne pepper; 1 pound pork tenderloin, cubed; 1 (8 ounce) can water chestnuts, drained; 1 medium green bell pepper, cut into 2 inch pieces; 1 medium red bell pepper, cut into 2 inch pieces; 1 small sweet onion, chopped; skewers