Beef Broccoli Crockpot Fakeaway Easier Than the Tube

Ingredients

• 2 lbs (900g) beef chuck, cut into 1-inch cubes
• 1 tbsp vegetable oil
• 1 medium yellow onion, chopped
• 2 cloves garlic, minced
• 1 tsp ground ginger
• ½ tsp red pepper flakes (optional, for a kick)
• ¼ cup (60ml) low-sodium soy sauce
• ¼ cup (60ml) brown sugar, packed
• 2 tbsp rice vinegar
• 1 tbsp cornstarch
• ½ cup (120ml) beef broth
• 1 large head of broccoli, cut into florets (about 4 cups)
• Cooked white rice, for serving (optional)
• Sesame seeds, for garnish (optional)
• Chopped green onions, for garnish (optional)