Pear And Gorgonzola Salad
["1 pkg. (10 oz.) frozen raspberries in syrup, thawed", "1/4 c. maple syrup", "1/4 c. balsamic vinegar", "1 1/2 tsp. Dijon mustard", "1/2 tsp. dried tarragon", "1/3 c. sugar", "1 Tbsp. sour cream", "Boston (or other) lettuce leaves", "2 red pears, firm, but ripe, pared", "2 oz. pecans, toasted and coarsely chopped", "2 oz. Gorgonzola cheese, crumbled", "1/2 small red onion, sliced thinly"]
["Puree berries in blender.", "Strain through a sieve to remove seeds.", "Whisk the puree together with syrup, vinegar, mustard, tarragon, sugar and sour cream.", "Chill."]
["frozen raspberries", "maple syrup", "balsamic vinegar", "mustard", "tarragon", "sugar", "sour cream", "red pears", "pecans", "Gorgonzola cheese", "red onion"]