A mixture of almonds, walnuts, and pecans may also be used.

Preheat the oven to 325°F.

Combine in a small bowl:

Set aside to cool. Beat in a medium bowl with an electric mixer until very foamy:

Gradually add and beat until soft peaks form:

Fold in along with the butter mixture until well coated:

Spread in a single layer on a baking sheet. Bake, stirring twice, until crisp and browned, about 30 minutes. Remove from the oven and pour onto a large sheet of foil to cool, then break into clusters or individual nuts.