Cheesy Zucchini Casserole
This tasty zucchini casserole has it all—creamy cheesy sauce, lots of tender zucchini, and a buttery crunchy topping.
Ingredients
- 1/2 cup unsalted butter, (4 ounces), divided
- 3/4 cup diced onion
- 6 cups zucchini, sliced, about 2 pounds
- 2 tablespoons flour
- 1 cup whole milk
- 3/4 teaspoon fine sea salt, or to taste
- 1/4 teaspoon mustard powder
- 1/4 teaspoon freshly ground black pepper
- 1 1/2 cups mild cheddar cheese, shredded , divided
- 1 cup panko breadcrumbs
Instructions
- Heat the oven to 350°F and butter a 1 1/2-quart baking dish.
- Melt 4 tablespoons of butter in a large skillet over medium heat. Add the chopped onion and cook, stirring, for 2 minutes. Add the sliced zucchini, cover the pan, and reduce the heat to low. Cook for 8 minutes or until the zucchini is just tender. Remove the zucchini and onions to the baking dish with a slotted spoon.
- Wipe out the skillet, add 2 tablespoons of butter, and melt it over medium heat, then stir in the flour. Cook for 2 minutes, then gradually add the milk. Taste and add the salt, mustard powder, black pepper, and 1/2 cup of the cheese. Cook, stirring, until hot and thickened. Pour the mixture over the zucchini mixture in the baking dish.
- Melt the remaining 2 tablespoons of butter and toss with the panko crumbs.
- Sprinkle the remaining cheese over the casserole, followed by the buttered panko crumbs.
- Bake for 25 minutes or until the topping is browned and the casserole is bubbling around the edges.
Nutrition
Calories: 352kcalCarbohydrates: 17gProtein: 11gFat: 27gSaturated Fat: 16gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gTrans Fat: 1gCholesterol: 74mgSodium: 576mgPotassium: 434mgFiber: 2gSugar: 6gVitamin A: 1070IUVitamin C: 22mgCalcium: 293mgIron: 1mg
Disclaimer:
Our nutritional information is based on a third-party application that analyzes the ingredients list to determine the values. The information is meant to be helpful, but should be considered an estimate. Values may differ depending on measurements, brands, serving variations, and database availability.
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