Lemon Meringue Thumbprint Cookies

Ingredients

• 5 egg yolks
• 140gr granulated sugar
• 200gr lemon juice
• 1tbsp cornstarch
• 100gr butter
• 1tsp vanilla
• 225gr softened butter
• 130gr powdered sugar
• 1 egg
• 1tbsp vanilla
• Zest from one lemon
• 1/2tsp salt
• 270gr all-purpose flour
• 25gr almond flour
• 50gr egg whites (about 1 large egg white)
• 10gr powdered sugar
• 80gr sugar
• 20gr water
• Vanilla