Dense Lemon Squares

Ingredients

• 3 large eggs
• 1 cup sugar (7 ounces)
• 1/4 cup lemon juice (2 ounces)
• 1 tablespoon lemon zest
• 3/4 cup melted unsalted butter (1 1/2 sticks, 6 ounces)
• 1 3/4 cups all-purpose flour (7 1/2 ounces)
• 1/2 teaspoon baking powder
• 1/4 teaspoon salt
• 3/4 cup chopped nuts (3 ounces( optional)
• Glaze
• 2 tablespoons lemon juice (1 ounce)
• 1 cup confectioners' sugar (4 ounces)
• 1/2 cup chopped nuts (2 ounces( optional)