Vanilla Shortbread | RICARDO

Ingredients

• 2/3 cup (100 g) unbleached all-purpose flour
• 3 tbsp cornstarch
• 1/4 tsp salt
• 1/2 cup (115 g) unsalted butter, softened
• 1/2 cup (65 g) icing sugar
• 1 tsp (5 ml) vanilla (see note)
• 1/4 cup (35 g) icing sugar
• 1 tsp (5 ml) water
• 1/2 tsp (2.5 ml) vanilla