Vanilla Bean and Blueberry Yogurt Topper

Split vanilla bean in half lengthwise. Using the tip of a paring knife, scrape out the tiny seeds. In a medium saucepan combine vanilla seeds and pods, sugar, and cornstarch. Stir in the water. Cook over medium-high heat until mixture begins to boil, stirring constantly. Stir in the blueberries. Boil for 1 minute, stirring constantly. Remove and discard vanilla pods. Remove from heat. Stir in the lemon peel. Let cool.

Serve over yogurt.