Whole Vanilla Bean Cookies

INGREDIENTS

• 1/2 cup+ / 2.5 oz /70 g powdered sugar
• scant 1/4 cup / 1 1/2 oz / 45 g granulated sugar
• 1 pliable vanilla bean, cut into segments, ends trimmed if tough
• 1/4 teaspoon fine grain sea salt
• 8 tablespoons / 4 oz / 115 g unsalted butter, room temperature, cut into chunks
• 
1/2 teaspoon vanilla extract
• 
1/2 cup / 2 oz / 55g rye flour
• 1/2 cup / 2.5 oz / 70 g all-purpose flour
• a touch of sugar/salt for topping