Peanut Butter Noodles

Name: Peanut Butter Noodles With Cucumbers
Ingredients: 12 oz. dried wheat noodles (such as thin udon); Kosher salt; ½ cup chunky or creamy peanut butter; 2 Tbsp. unseasoned rice vinegar; 4 tsp. pure maple syrup or honey; 1 tsp. soy sauce; 1 small garlic clove, finely grated; Freshly ground black pepper; 4 small Persian cucumbers, thinly sliced; 2 scallions, finely chopped; ⅓ cup salted roasted peanuts, coarsely chopped; Raw sesame oil or chili oil (for serving)