1. Crack and beat the eggs in a large bowl.
2. Melt the knob of butter in a frying pan. Add the beaten eggs and scramble them (stirring regularly with a wooden spatula). Cut them into pieces. Set aside.
3. In a salad bowl, put the rice, water, peas, scrambled eggs, and salt. Mix well.
4. Put everything in the microwave for 15 minutes on low power.
5. Oil, mix well, add the diced ham, and mix again.
6. The microwave Cantonese rice is ready, serve it hot!