2 c. unsalted butter, softened
1 1/2 c. sugar
5 c. flour
1-2 c. slivered almonds

Preheat oven to 275 degrees. Grease 4 (8 inch) round pans. In large bowl, cream butter and sugar until light and fluffy. Beat flour in, one cup at a time. Add almonds. Divide dough into 4 parts. Press in pans. Make fork holes throughout. Bake 1 hour until pale golden. Do not brown. Cool. Cut into strips. Store in tight container.