1 1/2 c. cold milk
1/2 c. creamy (or chunky) peanut butter
1 (4 oz.) pkg. instant pudding (chocolate or vanilla)
24 graham crackers

Gradually add milk to peanut butter, blend until smooth. Add pudding mix. Let stand 5 minutes. Spread filling 1/2 inch thick on 12 crackers and press top cracker on lightly. Freeze about 3 hours.