Substitute refrigerated shredded sharp Cheddar cheese, if desired.
Shred sharp Cheddar cheese in a food processor.
Process cheese, flour, and remaining ingredients in food processor until mixture forms a ball. Shape dough into 1-inch balls; place 2 inches apart on a parchment paper-lined baking sheet.
Freeze on a baking sheet, if desired, and place frozen dough in heavy-duty zip-top plastic bags; seal. Store in freezer up to 1 month, if desired.
Bake at 400° for 6 to 7 minutes. (Bake frozen dough balls at 400° for 15 minutes.) Let stand 2 minutes; remove to wire racks to cool.
Note: Place dough in a heavy-duty zip-top plastic bag. Cut 1/2-inch hole in 1 corner of bag, and pipe 1-inch mounds 2 inches apart onto parchment-lined baking sheets. Freeze or bake wafers as directed.