For the peanut sauce, in a medium bowl, whisk together the broth, peanut butter, soy sauce, sriracha, cornstarch, brown sugar, vinegar and sesame oil until smooth. Set aside.
In a large, rimmed skillet set brown the ground beef until completely cooked. While beef is cooking cook the pasta in a large pot according to package instructions. Drain pasta when done, and set aside.
Drain and access grease from meat. Add the garlic, salt, and ground ginger and cook an additional minute.
Pour the sauce mixture over the ground beef. Simmer for 2-3 minutes until the sauce has thickened slightly. Stir in the a ½ cup of cilantro reserving the remainder for garnish. .
Pour the sauce mixture over the noodles in the pot. Toss to coat and top with remaining cilantro. Serve.