Step 1

Toast peppercorns in a small, dry skillet over medium heat until fragrant and popping, shaking often and taking care not to let them burn. Transfer to a small bowl. Coarsely grind in a spice mill and then combine with kosher salt. Set aside.

Step 2

Peel and devein shrimp. Place in strainer and rinse; drain well and pat shrimp dry with paper towels. Place in bowl and sprinkle cornstarch over; toss to coat.

Step 3

Heat oil in a wok or large skillet over medium-high heat until nearly smoking. Add shrimp; cook for 2 to 3 minutes, tossing occasionally to cook evenly. Add garlic, minced chili pepper and peppercorn / salt mixture and toss until shrimp is coated and spices are fragrant. Serve garnished with cilantro leaves if desired.