Chicken Fried Rice

In a large skillet over medium heat, melt 2 tablespoons of butter. Add the beaten eggs and scramble, stirring occasionally until fully cooked. Transfer eggs to a plate until ready to add later.
Add 2 tablespoons of butter to the pan and heat until melted. Add the onion, garlic, peas and carrots, a generous pinch of salt and pepper, and cook until onion is translucent and fragrant, stirring occasionally, about 4-5 minutes.
Push the vegetables to the edges of the skillet, increase heat to medium high, and add the remaining 4 tablespoons of butter. When melted, add the rice, soy sauce, and oyster sauce. mix all ingredients together well then let sit for 3 minutes to fry the rice, stirring once or twice. See note.
Add the egg, chicken, pineapple, and green onions and stir again until completely mixed. Let sit for an additional 3 minutes to heat through and fry rice again, stirring once or twice.
Remove from heat and drizzle sesame oil over skillet. Stir to combine. Serve with additional chopped green onions, and additional soy sauce and sesame oil, if desired.