Silky condensed‑milk lemon custard, flaky crust, and mile‑high meringue for a sunshine‑bright dessert
* **Make Ahead:** Crust and filling can be baked a day early; refrigerate. Add fresh meringue before serving.
* **Cream of Tartar Option:** Swap cornstarch slurry for ¼ tsp cream of tartar if preferred.
* **Nutrition (per slice):** 398 cal, 17 g fat, 55 g carbs, 6 g protein (estimate).