Tofu Stir-Fry

Name: Tofu Stir-Fry
Prep time: 20 min
Total time: 20 min
Cuisine: Asian, Chinese
Ingredients: Kosher salt; 1 (14-oz.) block extra-firm tofu, fresh or frozen and defrosted; 1 tbsp. reduced-sodium soy sauce; 1 tbsp. toasted sesame oil; 1/2 tsp. freshly ground black pepper; 2 tbsp. cornstarch; 3 tbsp. extra-virgin olive oil, divided; Freshly ground black pepper; 3 garlic cloves, finely chopped; 1 tbsp. grated peeled ginger; 1 small head of broccoli, cut into florets; 1 red bell pepper, seeds and ribs removed, thinly sliced; 2 small carrots, peeled, sliced; 2 scallions, thinly sliced; 8 oz. string beans, trimmed; 1/4 c. water; 2 tbsp. reduced-sodium soy sauce; 2 tbsp. packed light brown sugar; 2 tsp. cornstarch; 2 tsp. toasted sesame oil