Beef and Broccolini Stir Fry

Name: Beef and Broccolini Stir Fry
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Cuisine: Chinese
Ingredients: ¾ pound beef sirloin or flank steak; 2 tablespoons soy sauce (-use tamari for gluten-free or coconut aminos for lower-sodium options); 1 teaspoon baking soda; ¾ pound broccolini (-1-2 small bunches); 1 red bell pepper (-medium); 1 red onion (-medium); 2 tablespoons neutral high-heat cooking oil of your choice; 1/2 cup brown rice (uncooked) (-½ cup cooked rice per serving, optional); 2 teaspoons roasted sesame seeds and/or sliced scalions (-optional garnish); ¼ cup soy sauce (-use tamari for gluten-free or coconut aminos for lower-sodium options); 2 tablespoons sweet soy sauce (-see notes for substitutions); 2 tsp grated fresh garlic (-or 1 teaspoon garlic powder); 2 tsp grated fresh ginger (-or 1 teaspoon ground ginger); 2 tablespoons toasted sesame oil; ½ teaspoon chicken bouillon (-optional, especially for low-sodium diets); 1 tablespoon corn starch; ¼ teaspoon ground white pepper