01 -
Combine powdered sugar and almond flour in a food processor and pulse until lumps are eliminated, then sift the mixture into a bowl.
02 -
Beat egg whites until frothy, gradually adding granulated sugar until stiff peaks form.
03 -
Carefully fold the meringue into the dry ingredients until fully incorporated. Check for the proper consistency.
04 -
Transfer batter to a piping bag and pipe 1-inch diameter disks onto a silicone mat lined cookie sheet. Tap the sheet to remove air bubbles.
05 -
Allow the piped shells to rest at room temperature for 1 hour to form a dry skin.
06 -
Preheat oven to 280°F (138°C). Bake shells for 15 minutes, rotating the tray halfway through for even baking.
07 -
Cool macarons completely and pair shells by size.
08 -
Beat the softened butter with half of the powdered sugar. Add vanilla and remaining powdered sugar, blending well. Adjust texture with heavy cream as needed.
09 -
Moisten one macaron shell lightly with water, dip it in granulated sugar, then caramelize the sugar using a kitchen torch until golden.
10 -
Pipe buttercream onto a non-caramelized shell and sandwich with the brûléed shell on top.