Instructions: For sauce:
Stir water, sugar, dry red wine, fresh lemon juice and cornstarch in medium saucepan over medium heat until cornstarch dissolves and mixture boils. Add blueberries. Boil until sauce thickens enough to coat back of spoon, stirring constantly, about 5 minutes. Cool 10 minutes. Stir in spices.

Cool.

For cake:
Preheat oven to 325F. Spray 8-inch square glass baking dish with nonstick vegetable oil spray. Line bottom of baking dish with parchment paper. Spray parchment with vegetable oil spray. Dust dish and parchment with flour.

Beat butter and sugar in large bowl until fluffy. Beat in eggs, 1 at a time. Beat in grated lemon peel, lemon juice and vanilla extract. Sift cake flour, baking powder, baking soda and salt into medium bowl. Mix dry ingredients into butter mixture alternately with sour cream.

Pour batter into prepared baking pan. Bake until tester inserted into center comes out clean, about 45 minutes. Cool cake on rack 10 minutes. Cut around sides of cake. Turn out onto rack. Peel off paper. Turn cake over.

Cool. (Sauce and cake can be prepared 1 day ahead. Refrigerate sauce; wrap cake in aluminum foil and store at room temperature.)

Cut cake into triangles; arrange on plates. Spoon sauce over.

Serves 6.

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