How to Make Zucchini, Squash, and Corn Casserole - A Step-by-Step Guide

Zucchini, Squash, and Corn Casserole is a delightful and flavorful dish that perfectly captures the essence of summer. This casserole is a celebration of the season's bounty, featuring fresh zucchini, yellow squash, and sweet corn, all baked together in a creamy and cheesy sauce. The result is a comforting and satisfying dish that will have everyone coming back for seconds.

One of the best things about this casserole is its versatility. It can be served as a main dish for vegetarians or a...

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Ingredients

  • 1 pound yellow squash, cut into 1/4-inch slices
  • 1 pound zucchini, cut into 1/4-inch slices
  • 4 tablespoons butter, divided
  • 2 cups diced sweet onion
  • 2 cloves garlic, minced
  • 1 (15.25 ounce) can whole kernel corn, drained
  • 1 (15 ounce) can cream-style corn
  • 1 ½ cups shredded sharp white Cheddar cheese
  • 1 cup grated Asiago cheese, divided
  • 1 ½ cups bread crumbs, divided
  • ½ cup mayonnaise
  • 2 large eggs, beaten
  • 1 teaspoon salt
  • 1 teaspoon ground black pepper

Information

  • Prep Time: 20 mins
  • Cook Time: 1 hr
  • Total Time: 1 hr 20 mins
  • Servings: 16
  • Yield: 1 9x13-inch casserole

  • Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13-inch casserole dish.
  • Combine zucchini and squash in a large pan, add water to cover, and boil for 5 minutes over medium-high heat. Drain and gently press zucchini and squash between paper towels to remove excess water.
  • Meanwhile, melt 2 tablespoons butter in a skillet. Add onion and saute for 2 minutes. Add garlic and cook until onion has softened and garlic is fragrant, 2 more minutes. Mix in zucchini and squash. Add whole kernel corn, cream-style corn, Cheddar cheese, 1/2 cup Asiago cheese, 1/2 cup breadcrumbs, mayonnaise, eggs, salt, and pepper. Pour into the prepared casserole dish.
  • Melt remaining 2 tablespoons butter in a skillet. Add remaining 1 cup breadcrumbs and remaining 1/2 cup Asiago cheese. Mix well and sprinkle on top of the casserole.
  • Bake in the preheated oven until casserole is golden and set and cheese is melted, 45 to 50 minutes.
  • Nutrition

    253 cal.

    • Total Fat: 16g
    • Saturated Fat: 7g
    • Cholesterol: 51mg
    • Sodium: 605mg
    • Total Carbohydrate: 22g
    • Dietary Fiber: 3g
    • Total Sugars: 4g
    • Protein: 9g
    • Vitamin C: 11mg
    • Calcium: 166mg
    • Iron: 1mg
    • Potassium: 285mg