Pariserwafiers (Vanilla Cream Cookies)

Bahan-bahan (70 porsi)

• 1 cup butter (softened (2 sticks))
• 1/3 cup cream*
• 2 cups all-purpose flour (spooned and leveled)
• 1/2 teaspoon kosher salt (use less if all you have is table salt)
• granulated sugar (for dipping the rolled cookies)
• 1/2 cup butter (softened (1 stick))
• 1 large egg yolk (optional; add 2 tablespoons cream as a substitute)
• 2 teaspoons vanilla
• 1/8 teaspoon kosher salt
• 1 and 1/2 cups powdered sugar
• pink, red, or green food coloring (optional )