Whisk together all Tzatziki Sauce ingredients in a medium bowl until smooth, being careful not to over mix.
Process all falafel ingredients except oil in a food processor until well mixed.
Form 24 small balls or patties and refrigerate for 20 minutes.
Fry in canola oil in large skillet for 3 to 5 minutes or until golden brown; drain on paper towels. Serve warm with Tzatziki Sauce. Falafel may also be placed on a baking sheet and brushed with foil; bake at 400°F for 20 minutes until golden brown and cooked through.