Peanut Noodles with Chicken

Name: Peanut Noodles with Chicken
Ingredients: 4 thin skinless, boneless chicken breasts (about 1 pound); 1 tablespoon plus 2 teaspoons sambal oelek; 2 tablespoons plus 1 teaspoon low-sodium soy sauce; Kosher salt and freshly ground pepper; 1/3 cup creamy peanut butter; 2 tablespoons rice wine vinegar; 8 ounces thin spaghetti; 3 small heads baby bok choy, chopped; 2 tablespoons vegetable oil; 4 ounces snow peas, halved on an angle; 1 red bell pepper, thinly sliced; 2 scallions, thinly sliced