• 2 tablespoons neutral oil, divided
• 1 pound ground beef, 90/10
• 1 yellow onion, peeled and sliced into half-moons
• 2 tablespoons low-sodium soy sauce
• 1 tablespoon rice vinegar
• 2 tablespoons brown sugar
• 2 tablespoons gochujang
• 2 tablespoons gochugaru (divided, see note*)
• 1 teaspoon minced ginger
• 1 teaspoon sesame oil
• ¼ cup water
• 1 cup white rice
• 2 cups water
• 1 tablespoon butter, optional
• 1 pound broccoli, cut into florets
• Salt, to taste

For serving, optional:

• 1 small English cucumber, halved lengthwise and thinly sliced
• 1 avocado, peeled, pitted, and diced
• Sesame seeds
• Gochugaru
• Sesame oil
• Minced scallions
• Chopped kimchi
• Radish kimchi
• Fried egg