Step 1

1 Heat 1 tablespoon of the oil in a large, well-seasoned wok or nonstick skillet over medium-high heat

Step 2

2 Add the ginger and garlic; stir-fry for 2 minutes, then add the scallions and stir-fry for 1 minute

Step 3

3 Add the ground pork, breaking up any clumps with a spoon

Step 4

4 If the pork is sticking, add the additional tablespoon of oil

Step 5

5 Stir-fry for 5 to 6 minutes, until the pork is cooked through

Step 6

6 Add the tofu; stir gently to incorporate

Step 7

7 Stir together the black bean sauce, soy sauce, toasted sesame oil and broth in a liquid measuring cup

Step 8

8 Pour the liquid mixture into the wok or skillet, and stir to coat evenly

Step 9

9 Whisk together the water and cornstarch in a small bowl

Step 10

10 As soon as the liquid in the wok or skillet starts to boil, stir in the cornstarch mixture

Step 11

11 When the sauce thickens, remove the wok or skillet from the heat

Step 12

12 Divide among individual plates; serve immediately