Ingredient Spotlight
Chives: These slender herbs pack an onion-like punch and flourish in casseroles. Stir them into the batter for subtle aroma and sprinkle on top just before serving to maintain freshness.

Conclusion
This Savory Potato, Carrot & Chive Casserole with Mozzarella-Tomato Topping elevates simple root vegetables into a crowd-pleasing bake. Its ease, adaptability, and irresistible textures make it a dependable favorite for any occasion—weeknight dinner, brunch, or festive gathering.

Frequently Asked Questions
1. Can I prepare this casserole completely ahead?
Yes—assemble, cover, and refrigerate up to 8 hours before baking. Add 5 extra minutes to the cook time if baking from cold.

2. How do I prevent the bottom from becoming soggy?
Drain excess liquid from grated vegetables and avoid overcrowding. A light layer of melted butter on the dish helps crisp the base.

3. Can I halve the recipe?
Absolutely—use an 18 × 18 cm (7 × 7 inch) dish and bake for 30–35 minutes.

4. What if I don’t have fresh chives?
Substitute 2 tsp dried chives or finely chopped green onion, added to the batter and sprinkled on top.

5. How can I make it gluten-free?
Swap the flour for a 1:1 gluten-free blend and ensure your cheese is gluten-free.

6. Is there a dairy-free alternative?
Use unsweetened almond or oat milk, omit cheese or use a plant-based shredded cheese, and replace butter with oil.

7. Why is my casserole watery?
Excess moisture usually comes from un-drained vegetables. Always squeeze grated potatoes and carrots dry before mixing.

8. How do I reheat leftovers?
Cover with foil and warm at 180 ℃ for 10–12 minutes, then remove foil for 2–3 minutes to re-crisp the top.

9. Can I add meat?
Stir cooked, crumbled sausage or diced ham into the batter for a heartier casserole.

10. What sides complement this casserole?
A crisp green salad, roasted Brussels sprouts, or garlic-buttered green beans work beautifully.