Cook turkey as specified on the package. Always cook to well done, 165 degrees F as measured by a meat thermometer.
Add garlic, ginger, soy sauce, brown sugar, green onions and red bell pepper. Cook 7 minutes or until garlic is soft.
Stir in mint leaves. Immediately transfer meat to a shallow dish and chill 1 hour.
Remove core from head of lettuce; separate, wash and dry leaves.
Spoon chilled turkey mixture in lettuce cups.