Poached Salmon

8 ounces plain yogurt 2 tablespoons mayonnaise 1 medium cucumber , peeled seeded and very finely diced 10 fresh mint leaves , finely chopped 1 teaspoon curry[...]

4 salmon steaks or 4 other fish steaks 1 cup chicken broth 1/4 cup dry white wine 1 dash pepper 4 slices lemons 2 tablespoons water 2 teaspoons cornstarch 2[...]