Preheat oven to 375° F/190° C.
Fill Mix-N-Stor® Pitcher with hot water, place cover on top, remove middle insert.
Place cubed butter in base of All-in-One Shaker and seal. Insert shaker in Mix-N-Stor with water to softened butter.
When butter has softened, discard hot water and transfer butter to base of Mix-N-Stor.
Using All-in-One Mate, juice and zest the limes. Transfer zest and juice to Mix-N-Stor.
Using the egg separator, separate the yolk from the white. Add the white to Mix-N-Stor.
Mix all contents of batter until well combined.
Scoop 12 tbsp. of dough and arrange on Silicone Wonder® Mat leaving 1”/2.5 cm–2”/5 cm in between and bake for 10 minutes. Repeat steps with remaining dough.