Heat oven to 375°F. Place 12 wonton wrappers side by side on sheet of waxed paper. Brush both sides of wrappers with 1 tablespoon oil. Pleat edges of wrappers; place in 12 ungreased mini muffin cups, pressing in bottom and up sides. Repeat with remaining wonton wrappers, oil and additional 12 mini muffin cups.
Bake 5 to 8 minutes or until golden brown and crisp.
Stir cream cheese to soften. Spoon 1 teaspoon cream cheese into each cup. Top each with 3 to 5 shrimp.
Bake 1 minute longer or until cream cheese is soft. Remove wontons from pan; place on serving platter. Top each with 1/2 teaspoon plum sauce. Sprinkle with chives.