Let stand 10 minutes, then cut into small squares and serve warm. Makes: About 25 squares-Freeezing: Excellent Helpful Hints: Quiche squares can be prepared ahead and refrigerated 1 day or frozen 3 months. Prepare and bake, cool and cut into squares. Place in flat container and wrap air-tight. To reheat, thaw if frozen and heat, uncovered at 350F (180C) for about 15 minutes or until hot.