Recipes: Greek-style lamb burgers with creamy tzatziki sauce

Preparation:    Preparation time: 20 mins Cooking time: 10 mins Serving: 4 Ingredients: 1 cup plain Greek yogurt 1/2 cup grated english cucumber 1 clove garlic, grated 2 tablespoons olive oil 1 tablespoon coarsely chopped fresh dill Finely grated zest 1/2 medium lemon Juice from 1/2 medium lemon Kosher salt Freshly ground black...