Stir together cheese and butter until blended. Stir in flour and salt; blend well. Stir in cereal. (Dough will be stiff.)
Shape dough into 1-inch balls; place on an ungreased baking sheet 2 inches apart. Flatten cookies to 1/4-inch thickness with a fork, making a crisscross.
Bake at 350° for 15 to 18 minutes. Remove to wire rack to cool. Store in an airtight container.
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