Ground Beef Stir-Fry Teriyaki Bowls

Ingredients

• 1 1/2 c. jasmine or long-grain white rice
• Kosher salt
• 1/2 c. sour cream
• 2 tbsp. sriracha
• 1/3 c. packed dark brown sugar
• 1/3 c. reduced-sodium soy sauce
• 1 tbsp. cornstarch
• 1 tbsp. unseasoned rice vinegar
• 2 tsp. toasted sesame oil
• 3 scallions
• 2 tbsp. vegetable oil
• 3 cloves garlic, finely chopped
• 1 tbsp. finely chopped peeled ginger
• 1 1/2 lb. lean ground beef
• 6 oz. broccoli florets, chopped into bite-size pieces (about 3 c.)
• 5 oz. carrots, shredded (about 1 1/2 c.)
• 2 tbsp. toasted sesame seeds, divided