Lemon Shortbread Cookies

Bahan-bahan (36 porsi)

• 2/3 cup (135g) granulated sugar
• 2 Tablespoons fresh lemon zest
• 1 cup (16 Tbsp; 226g) unsalted butter, softened to room temperature
• 1 Tablespoon (15ml) fresh lemon juice
• 1/2 teaspoon pure vanilla extract
• 2 cups (250g) all-purpose flour (spooned & leveled)
• 1/3 cup (40g) cornstarch
• 1/8 teaspoon salt
• optional (if not icing cookies): coarse sparkling sugar, for sprinkling
• 1 cup (120g) confectioners’ sugar, sifted
• 1 Tablespoon (15ml) fresh lemon juice
• 1 Tablespoon (15ml) milk (any kind), heavy cream, or half-and-half
• 1/4 teaspoon pure vanilla extract
• optional: fresh lemon zest for garnish