1/2 cucumber, sliced into matchsticks, seeds discarded
1/2 red bell pepper, sliced into matchsticks
3 radishes, cut into matchsticks
2 tbsp toasted sesame seeds
1/4 cup chopped roasted peanuts
Bring a large pot of water to a boil. Add noodles and cook according to package instructions. Noodles should be slightly chewy. Drain, rinse with cold water to stop the cooking, then toss with 1 tsp sesame oil.
Combine sesame paste, peanut butter, chili oil, remaining 1 tbsp toasted sesame oil, sugar, salt, soy sauce, and lime juice in a bowl or large measuring glass cup. Whisk to combine. Taste and add more chili oil or soy sauce if desired.
Place noodles, cucumber, bell pepper and radishes in a large bowl. Pour in sauce and toss to coat. Transfer to a serving bowl and top with sesame seeds, peanuts and a few drizzles of chili oil.