01 -
Sift your almond flour together with powdered sugar 2 or 3 times till it’s super fine. Put aside for later.
02 -
Using room-temperature egg whites, whip until soft peaks form. Slowly add granulated sugar while beating till stiff peaks show. Mix in gel coloring now if you'd like.
03 -
Carefully fold the sifted dry mixture into your meringue in a couple of portions. Keep folding until it flows like lava, with ribbons fading in about 10 seconds.
04 -
Pipe small 1.5-inch rounds onto baking sheets with parchment or silicone mats. Tap the sheets firmly to pop bubbles. Leave out for 30-60 minutes until tops feel dry.
05 -
Bake in a 300°F oven for 15-18 minutes. Halfway through baking, rotate trays. Once cooled, the shells should have feet and feel set.
06 -
Beat the butter until fluffy. Slowly add powdered sugar and vanilla extract. Add a bit of milk if needed until spreadable.
07 -
Pair up shells by size. Spread or pipe filling on one, then sandwich with the other. Store in the fridge for 1-2 days to enhance texture.