1. In a small saucepan, mix together blueberries, lemon zest, and ½ cup honey. Simmer gently for 10 minutes, or until blueberries have softened. Chill.
2. In a medium bowl, whisk together yogurt and remaining ½ cup honey.
3. Lightly swirl chilled blueberry mixture with yogurt to create a marbled look. Spoon mixture into ten 3-ounce popsicle molds and freeze until solid.