Leftovers keep well in the fridge for up to three days. Store in an airtight container and reheat uncovered in the oven so the topping re-crisps. This dish is not ideal for freezing since the zucchini can turn soggy.
Ingredient Substitutions
Swap cheddar for mozzarella for a milder melt or use a mix of both for layered cheese flavor. Breadcrumbs can be panko for extra crunch. Add chopped herbs like parsley or basil to the topping for brightness if you have them.
Serving Suggestions
Serve alongside roast chicken or grilled steak for a hearty dinner. This dish is filling enough to stand alone with a big salad for a vegetarian lunch. Offer it at picnics or potlucks too as it holds well at room temperature.
Cultural and Historical Context
Baked vegetable and cheese casseroles have roots across Mediterranean and European cuisines where summer squash and fresh cheeses are plentiful. This recipe puts a modern American spin on classic gratins and tian dishes.
