Eggy Lemon Sandwich Cookies | Louisiana Egg Commission

Ingredients

• all-purpose flour - 3 cups
• baking soda - 1 1/2 tsp
• baking powder - 1/2 tsp
• kosher salt - 3/4 tsp
• vegetable shortening - 3/4 cup
• unsalted butter, softened to room temperature - 1/4 cup
• granulated sugar - 1 cup
• whole milk - 2 tbsp
• vanilla extract - 2 tsp
• large egg - 1
• fresh lemon juice (from about 3 lemons) - 1/2 cup
• finely grated lemon zest - 2 tsp
• granulated sugar - 1/2 cup
• unsalted butter, cut into cubes - 6 tbsp
• large eggs - 3
• unsalted butter, softened to room temperature - 1 cup
• powdered sugar - 2 cups
• finely grated lemon zest - 1 tsp
• milk, warm - 1-2 tbsp
• poppy seeds - 1 tsp
• pinch of salt - 1 tsp