Heat oven to 200°. In a small bowl, mix yogurt, lime juice, lime zest and 1/4 tsp of the salt until smooth.

Squeeze shredded zucchinibin a clean kitchen towel until most of the moisture is absorbed. In a medium bowl, combine zucchini, scallions, 1/2 cup of the cilantro, egg, flour, remaining 1 tsp of salt and pepper.

Heat 2 tbsp of the oil over med-high heat in lrg saute pan. When simmering, add zucchini mix in four 1/4 cup portions. Flatten fritters with a spatula until they are 3 inches in diameter. Cook fritters 3 min until browned, then flip and cook another 3 min. Transfer fritters to a baking sheet and place in oven to keep warm. Serve with lime yogurt and garnish with remaining cilantro.