Recipes: Eggplant burgers with yogurt-feta sauce and quick pickled cucumbers

Preparation:    Preparation time: 25 mins Cooking time: 15 mins Serving: 4 Ingredients: 6 oz. feta cheese 1/3 c. plain whole-milk yogurt Kosher salt and freshly ground black pepper 1 tsp. lemon zest plus 1 tablespoon lemon juice 1 tsp. sumac 3 tbsp. olive oil, divided 1/2 large English cucumber Canola oil, for...