Meat and Rice Holubtsi Filling

1 cup rice

1 cup boiling water

1 tsp. salt

1 medium onion, diced

4 Tbsps. fat

½ lb. ground pork

½ lb. ground beef

1 egg

Salt and pepper

Wash the rice in a sieve to remove all the added talc. Add to the boiling water, stir in the salt, bring to a brisk boil, and let cook for 1 minute. Cover, turn off the heat, and allow it to stand until the water is absorbed. Meanwhile cook the onion in the fat until tender. Add the pork and beef, stir, and cook until lightly browned. Combine with the rice and cool slightly. Mix in the egg. Season the mixture with salt and pepper