Prep Time 15 minutes mins
Cook Time 30 minutes mins
Total Time 45 minutes mins
Key Tips: Slice potatoes thin (1/8-inch) for even cooking. Don't skip the rest – it's the secret to a firm slice. Drain beef well to avoid greasiness. Make Ahead: Assemble (unbaked), cover, refrigerate up to 2 days. Add 10 minutes to bake time. Freezer: Assemble unbaked, wrap tightly, freeze up to 3 months. Thaw in fridge overnight, add 10-15 minutes to covered bake time.