1. Set oven to 300°F (set oven rack to middle position). 2. Butter an 8x8-inch glass baking dish. 3. In a bowl using an electric mixer cream the butter with 1/2 cup confectioners sugar and vanilla until light and fluffy (about 5 minutes). 4. Add in zest, lemon juice (if using) and poppy seeds; mix until combined. 5. In a small bowl mix together flour and salt; add to the creamed mixture and mix just until combined. 6. Press the mixture into prepared baking pan. 7. Bake for about 30-35 minutes, or until pale golden brown. 8. Let the shortbread cool in the pan on a rack for about 10 minutes. 9. Cut into 24 bars and let the bars cool completely in the pan. 10. Sprinkle with confectioners' sugar. ---------------------------------------------------------------------------
Nutrition
Ingredients
