Cheesy Zucchini Casserole

Cheesy Zucchini Casserole

A comforting baked zucchini casserole with sautéed onion, a creamy egg filling, three cheeses, and a crisp breadcrumb topping.

Instructions

  1. Step 1

    Preheat the oven to 190°C.

    Cookware: oven

  2. Step 2

    Coat the inside of the casserole dish with 1 tsp (5 ml) olive oil.

    Ingredients used: 5.0 ml Olive Oil

    Cookware: casserole dish

  3. Step 3

    Toss the zucchini with 1 tsp (6 gr) salt in a colander. Let it drain, then press firmly to remove as much released liquid as possible.

    Timer: 15 min (fixed)

    Ingredients used: 6.0 gr Salt, 1000.0 gr Zucchini

    Cookware: colander

  4. Step 4

    Heat 2 tsp (10 ml) olive oil in a skillet over medium heat. Cook the onion until softened, then add the garlic and cook until fragrant.

    Timer: 7 min (fixed)

    Ingredients used: 8.0 gr Garlic, 10.0 ml Olive Oil, 150.0 gr Onion

    Cookware: skillet, wooden spoon

  5. Step 5

    Whisk the eggs, sour cream, black pepper, and oregano in a large bowl. Stir in 125 gr cheddar and 100 gr mozzarella.

    Ingredients used: 125.0 gr Cheddar Cheese, 2.0 gr Dried Oregano, 3.0 piece Egg, 2.0 gr Ground Black Pepper, 100.0 gr Mozzarella, 180.0 ml Sour Cream

    Cookware: mixing bowl, whisk

  6. Step 6

    Fold the drained zucchini, cooked onion mixture, and remaining ½ tsp (3 gr) salt into the egg mixture. Spread evenly in the prepared casserole dish.

    Ingredients used: 3.0 gr Salt

    Cookware: casserole dish, mixing bowl, wooden spoon

  7. Step 7

    Mix the breadcrumbs, Parmesan, melted butter, remaining 75 gr cheddar, and remaining mozzarella. Scatter the topping evenly over the casserole.

    Ingredients used: 60.0 gr Breadcrumb, 30.0 gr Butter, 75.0 gr Cheddar Cheese, 50.0 gr Mozzarella, 50.0 gr Parmesan Cheese

    Cookware: casserole dish, small bowl, wooden spoon

  8. Step 8

    Bake at 190°C until the topping is golden, the edges are bubbling, and the center reaches 71°C.

    Timer: 35 min (fixed)

    Cookware: casserole dish, oven

  9. Step 9

    Rest the casserole before cutting and serving.

    Timer: 10 min (fixed)

    Cookware: casserole dish

Nutrition (Estimated)

Food safety

Caution: medium

Cook the center to 71°C. Refrigerate leftovers within 2 hours, keep at 4°C or colder, and reheat to 74°C before serving.

Risk factors

  • raw egg mixture
  • perishable dairy ingredients
  • hot casserole dish