Cheesy Summer Squash Casserole

Total Time:Prep: 10 min. Bake: 25 min.

By Taste Of Home Editorial Team

Recipe by Katherine Metz, Jacksonville, Florida

Tested by Taste of Home Test Kitchen

Updated on Sep. 15, 2023

Onion and cheddar cheese add flavor and richness to the bounty of summer squash in this comforting casserole. A crispy cornflake-crumb topping adds a little crunch. —Katherine Metz, Jacksonville, Florida

TEST KITCHEN APPROVED

Cheesy Summer Squash Casserole

Yield:2 servings
Prep:10 min
Cook:25 min

Ingredients

  • 2 small yellow summer squash, sliced
  • 1/4 cup chopped onion
  • 1/2 teaspoon salt, divided
  • 1 large 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
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Directions

  1. In a small saucepan, combine squash, onion and 1/4 teaspoon salt. Cover with water. Bring to a boil. Reduce heat; simmer, uncovered, until squash is crisp-tender, about 2 minutes. Drain.
  2. In a small bowl, whisk egg, mayonnaise, sugar, pepper and remaining 1/4 teaspoon salt until blended. Stir in cheese and the squash mixture. Transfer to a greased 2-cup baking dish. In a small bowl, toss cornflakes and butter; sprinkle over top.
  3. Bake, uncovered, at 350° until golden brown and bubbly, 25-30 minutes.
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