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zucchini, squash, and corn casserole

CathyEvansMauricio avatar
Recipe by
Cathy Evans Mauricio
@CathyEvansMauricio
Grand Prairie, TX

We are obsessed with Zucchini, Squash & Corn Casserole right now..We have it almost every Sunday, especially since zucchini & squash are so available right now...Soft, white breadcrumbs double as a feather-light binder and golden crumb topping. To make them, pulse torn slices of day-old sandwich bread in the food processor.

yield 8 -10
prep time 30 Min
cook time 50 Min
method Bake

Ingredients For zucchini, squash, and corn casserole

  • 1 1/2 pounds yellow squash, cut into 1/4-inch-thick slices
  • 1 1/2 pounds zucchini, cut into 1/4-inch-thick slices
  • 1/4 cup butter, divided
  • 2 cups diced sweet onion
  • 2 garlic cloves minced
  • 3 cups fresh corn kernels
  • 1 1/2 cups (6 oz.) freshly shredded white cheddar cheese
  • 1/2 cup sour cream
  • 1/2 cup mayonnaise
  • 2 large eggs, lightly beaten
  • 2 teaspoons freshly ground black pepper
  • 1 teaspoon table salt
  • 1 1/2 cups soft, fresh breadcrumbs, divided
  • 1 cup freshly grated asiago cheese, divided

How To Make zucchini, squash, and corn casserole

  • 1
    1. Preheat oven to 350°. Bring first 2 ingredients and water to cover to a boil in a Dutch oven over medium-high heat, and boil 5 minutes or until crisp-tender. Drain; gently press between paper towels. 2. Melt 2 Tbsp. butter in a skillet over medium-high heat; add onion, and sauté 10 minutes or until tender. Add garlic, and sauté 2 minutes. 3. Stir together squash, onion mixture, corn, next 6 ingredients, and 1/2 cup each breadcrumbs and Asiago cheese just until blended. Spoon mixture into a lightly greased 13- x 9-inch baking dish. 4. Melt remaining 2 Tbsp. butter. Stir in remaining 1 cup breadcrumbs and 1/2 cup Asiago cheese. Sprinkle over casserole. 5. Bake at 350° for 45 to 50 minutes or until golden brown and set. Let stand 15 minutes before serving.
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