4 tablespoons water
2 tablespoons ketchup
1 tablespoon soy sauce
2 teaspoons cornstarch
1 teaspoon honey
1/2 teaspoon crushed red pepper
1/4 teaspoon ground ginger
1 tablespoon vegetable oil
1/4 cup sliced green onions
4 cloves garlic, minced
12 ounces cooked shrimp, tails removed

In a bowl, stir together water, ketchup, soy sauce, cornstarch, honey, crushed red pepper, and ground ginger.
Set aside.
Heat oil in a large skillet over medium-high heat.
Stir in green onions and garlic; cook 30 seconds.
Stir in shrimp, and toss to coat with oil.
Stir in sauce.
Cook and stir until sauce is bubbly and thickened.