Sauce: Stir together broth, sesame seeds, ginger, soy sauce, pepper sauce and cornstarch until well blended. Set aside.
In a large skillet or wok, heat 2 tablespoons oil. Stir-fry jicama and carrots for 3 minutes, remove from pan and set aside.
Add oil if needed and stir-fry bell pepper with Geisha shrimp and garlic for 3 minutes, or until shrimp turn pink and opaque. Stir sauce again: pour into center of wok. Cook until mixture bubbles. Add jicama and carrots. Pour Geisha shrimp stir-fry mixture over white cooked rice, then serve.