Lemon Rose Shortbread Cookies

Bahan-bahan (20 porsi)

• 2 sticks (1 cup) salted butter
• 1/2 cup granulated sugar
• 1 tablespoon lemon zest
• 1 teaspoon dried rose petals, finely crushed ((optional))
• 1 teaspoon vanilla extract
• 2 1/2 cups all purpose flour
• 2 cups powdered sugar
• 2 tablespoons Meyer (or regular) lemon juice
• 1 -2 drops blood orange juice ((optional))