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Cheesy Summer Squash Caserole Recipe
Cheesy Summer Squash Caserole Recipe photo by Taste of Home

Cheesy Summer Squash Caserole Recipe

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Onion and cheddar cheese perk up the rich flavor of summer squash in this comforting casserole from Katherine Metz, Jacksonville, Florida (with husband Chuck, at right). A crispy cornflake-crumb topping adds a little crunch.
TOTAL TIME: Prep: 10 min. Bake: 25 min.
MAKES:2 servings
TOTAL TIME: Prep: 10 min. Bake: 25 min.
MAKES: 2 servings


  • 2 small yellow summer squash, sliced
  • 1/4 cup chopped onion
  • 1/2 teaspoon salt, divided
  • 1 egg
  • 1/4 cup mayonnaise
  • 2 teaspoons sugar
  • Pepper to taste
  • 1/4 cup shredded cheddar cheese
  • 2 tablespoons crushed cornflakes
  • 1-1/2 teaspoons butter, melted


  1. In a small saucepan, combine squash, onion and 1/4 teaspoon salt. Cover with water. Bring to a boil. Reduce heat; simmer, uncovered, for 2 minutes or until squash is crisp-tender. Drain.
  2. In a small bowl, whisk the egg, mayonnaise, sugar, pepper and remaining salt until blended. Stir in cheese and squash mixture. Transfer to a greased 2-cup baking dish. Toss the cornflakes and butter; sprinkle over top.
  3. Bake, uncovered, at 350° for 25-30 minutes or until golden brown and bubbly. Yield: 2 servings.
Originally published as Summer Squash Casserole in Taste of Home April/May 2004, p47

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Reviewed Jan. 3, 2015

"I have been regularly making this recipe since it was first published. Many times I have quadrupled the portions and brought it to family get togethers. Everyone loves it. Best squash casserole recipe I've found. The only thing I do different is crush New York Texas Toast garlic and butter croutons for the topping."

Reviewed Aug. 4, 2014

"This was only ok. Maybe I just don't like summer squash?"

Reviewed Jul. 17, 2014

"Really good easy recipe even ate it cold!"

Reviewed Jul. 2, 2014

"We Relly enjoyed the recipe. I did use 4 small squash which was perfect for 2. Just a reminder that not all corn flakes are gluten free. I did use certified gluten free corn flakes and probably closer to 1/4 cup. I will be making this one again."

Reviewed Jun. 29, 2014

"This recipe is so good and very easy to prepare."

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