Zucchini-Potato Casserole
A hearty vegetable casserole combining tender potatoes, zucchini, and tomato, topped with melted cheese—perfect for a comforting, family-friendly meal.
Ingredients
Instructions
- Layer half of the potatoes in a 2-quart casserole.
- Add half of the sliced zucchini or eggplant over the potatoes.
- Top with sliced tomato or tomato sauce.
- Sprinkle with sliced green pepper.
- Add remaining zucchini or eggplant slices.
- Sprinkle with oregano, garlic powder, and Parmesan cheese as desired.
- Layer remaining potatoes on top.
- Sprinkle with salt on each layer, especially the squash.
- Microwave the casserole on High for 15 minutes, turning 1/4 turn every 5 minutes if no carousel is available.
- Let stand for 5 minutes before serving.
Tips & Substitutions
For extra flavor, consider adding fresh herbs like thyme or basil between the layers. If you'd like a bit of heat, diced jalapeños can be a great addition. You can substitute zucchini with yellow squash or even cauliflower for a different texture. Using pre-shredded cheese can save time, but grating your own will enhance flavor and melting quality.
Serving Suggestions
This Zucchini-Potato Casserole pairs beautifully with a simple side salad or crusty bread. You can also serve it alongside grilled chicken or fish for a complete meal. For a vegetarian option, enjoy it with a side of Almond Mushroom Rice for a heartier dish. A dollop of sour cream or a sprinkle of fresh parsley can add a nice finishing touch.
Storage & Reheating
Store leftovers in an airtight container in the refrigerator for up to three days. To reheat, microwave individual portions on medium power for about 2-3 minutes or until heated through. Alternatively, reheat the entire casserole in the oven at 350°F (175°C) for about 15-20 minutes until warmed and the cheese is bubbly.
Nutrition & Diet Analysis (per serving)
Each serving of Zucchini-Potato Casserole contains roughly 810 calories, with 15g protein, 111g carbohydrates, and 34g fat. It is an excellent source of vitamin C (138% of the Daily Value), potassium (65% of the Daily Value), and dietary fiber (41% of the Daily Value), and a good source of iron and vitamin A. Note that it is relatively high in sodium, at 653mg per serving (28% of the Daily Value).
Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.
* % Daily Values based on a 2,000 calorie diet (FDA 2020).
Frequently Asked Questions
Can I use frozen zucchini for this casserole?
While fresh zucchini is recommended for the best texture, you can use frozen zucchini. Just be sure to thaw and drain excess moisture before layering to prevent the casserole from becoming watery.
What can I substitute for cheese if I'm lactose intolerant?
You can use lactose-free cheese or a dairy-free cheese alternative made from nuts or soy. Nutritional yeast is another great option that adds a cheesy flavor without dairy.
How can I make this casserole ahead of time?
You can prepare the casserole up to the point of microwaving and store it covered in the refrigerator for up to 24 hours. When ready to cook, simply microwave as directed. This makes it a convenient option for meal prep!
Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).