Blanch the green beans: Heat a large pot of water over high heat until boiling. Once boiling, add the green beans and cook for about 5 minutes or until halfway tender as desired. Remove and rinse with cold water or plunge into a bowl of ice water then remove.
To a medium skillet over medium heat, add the peanut butter, soy sauce, and chili crisp and stir to combine. Heat for a couple of minutes, then add the blanched green beans. Toss to combine and coat with the peanut mixture.
Serve the green beans with sesame seeds on top and enjoy!