How do I store leftovers?
Refrigerate in an airtight container for up to 3 days; reheat in a 180 °C oven.

Is this casserole freezer-friendly?
Freeze individual portions before baking; thaw and bake at 180 °C for 30 minutes.

Can I skip the egg-yogurt batter?
You can, but the batter adds structure and lightness—omit only if dairy-free or vegan.

Why did my sauce separate?
Whisk continuously while adding milk; avoid overheating the sauce.

Can I use frozen vegetables?
Thaw and drain well before layering to prevent excess moisture.

What pan size works best?
A 24 × 24 cm or 22 × 30 cm dish yields the ideal depth for even layers.

How do I get a crisp top?
Broil for 2–3 minutes at the end—watch closely to prevent burning.

Can I halve the recipe?
Yes—use a smaller dish and adjust bake time to 30–35 minutes.

What spices complement this dish?
A sprinkle of smoked paprika or a few fresh thyme leaves adds depth.