Coat a 6- x 3- x 2-inch loafpan with cooking spray; dust with 1 teaspoon flour, and set aside.
Combine remaining 1/3 cup flour, 3 tablespoons sugar, and next 4 ingredients in a medium bowl, stirring well. Combine milk and next 3 ingredients. Add to dry ingredients; stir well. Spoon batter into prepared pan. Bake at 350° for 25 to 30 minutes or until a wooden pick inserted in center comes out clean. Cool in pan on a wire rack 5 minutes; remove from pan. Combine powdered sugar, lemon rind, and lemon juice in a small saucepan; cook over low heat until warm, stirring frequently. Drizzle over cake.