Gochujang Sesame Noodles

Name: Gochujang Sesame Noodles
Ingredients: 8-10 ounces fresh or dried noodles (ramen, udon, spaghetti); 3 tablespoons gochujang (less or more depending on desired heat level); 3 tablespoons soy sauce (low sodium can be used, or a mixture of low sodium and regular soy sauce); 2 tablespoons brown sugar; 2 tablespoons tahini; 2 teaspoons sesame oil (Kadoya recommended); 1 1/2 tablespoons vegetable oil; 8 baby bok choy, stems cut into 1-inch pieces, large leaves coarsely chopped; 3 medium garlic cloves, finely chopped; Freshly ground black pepper; Handful of torn basil leaves + more for serving (baby leaves or larger leaves torn); Toasted sesame seeds and lime wedges (for serving)