- Sauce can be made ahead. Let cool 30 minutes. Cover and chill up to 24 hours, or freeze up to 1 month.
- Make lasagna the day before: Prepare as directed through Step 3. Cover and chill up to 24 hours. Let stand 30 minutes before baking.
- Freeze lasagna 1 month ahead: Wrap unbaked lasagna with heavy-duty aluminum foil. Freeze. Thaw 12 hours in refrigerator. Let stand 30 minutes; unwrap and bake as directed.
- Recipe: Classic Lasagna