French Financiers

Heat butter in a small saucepan over medium heat until it turns golden brown and smells nutty

Let the brown butter cool to room temperature

In a bowl, whisk together almond flour, powdered sugar, plain flour, and salt

Lightly whisk the egg whites until just combined

Mix the egg whites and vanilla into the dry ingredients, then stir in the cooled brown butter

Divide batter between greased financier molds or mini muffin tins

Bake at 200°C (400°F) for 12-15 minutes until golden brown