- In a small bowl, beat egg and water and set aside. 
- Melt butter in large wok or sauté pan over medium heat and add mushrooms. 
- Sauté mushrooms for 2 minutes, stirring occasionally. 
- Add the rice, chopped chicken, and green onion. 
- Cook, stirring often, for 6 minutes. 
- Push the rice mixture to the side of the wok or skillet and add the olive oil. 
- Add the eggs and scramble until thickened. 
- Stir the rice mixture and the scrambled egg together until combined. 
- Add coconut aminos or soy sauce, salt, black pepper, and cayenne pepper and stir until mixed thoroughly. 
- Garnish with sesame seeds and additional chopped green onions, if desired.