Whisk together all ingredients for the bulgogi sauce and set aside.
2 tbsp soy sauce, 1 tbsp rice wine vinegar, 2 tsp brown sugar, 1 garlic clove
Heat sesame oil in a skillet over medium high heat.
1 tbsp sesame oil
Add onion, carrot, and mushrooms, and sauté until soft and the onion is translucent, about 3 minutes.
1/4 onion, 1/4 cup carrot, 1/4 cup mushroom
Add ground beef, and cook stirring for 4-5 minutes until fully browed.
1/2 lb ground beef
Pour the bulgogi sauce in, along with rice. Stir until combined and the sauce is evenly distributed.
3 cups cooked rice
Remove from heat and transfer to a large bowl. Set aside until cool enough to handle.
Place furikake seasoning in a bowl. Using your hands (I recommend wearing gloves), take about 2½ tbsp of the mixture (I used a scoop) and squeeze tightly in your fist until compact, then shape into a ball. Roll in the furikake to coat, then repeat with the rest of the rice mixture. Enjoy warm!
1/2 cup furikake