Press Sauté; heat oil in pot. Add onion; cook and stir 5 Minutes or until softened. Add peanuts, ginger, garlic and salt; cook and stir 1 Minute. Stir in broth and peanut butter until blended. Add sweet potatoes, tomatoes, kale and red pepper; mix well.
Secure lid and move pressure release valve to Sealing position. Press Pressure Cook or Manual; cook at High Pressure 3 Minutes.