Easy Yellow Squash Casserole Recipe

The Best Easy Yellow Squash Casserole Recipe for Dinner Magic

Summer gardens burst with golden yellow squash casserole that promises comfort in every delightful bite.

Crisp vegetables from local farmers markets inspire this classic Southern dish.

Creamy textures and rich cheesy layers make this recipe a true crowd-pleaser.

You’ll fall in love with its simple ingredients and minimal preparation time.

Homemade goodness radiates through each spoonful of this hearty side dish.

Cheese-lovers and vegetable enthusiasts will appreciate the balanced flavors and nutritious profile.

Dive into this mouthwatering casserole that turns ordinary squash into an extraordinary meal.

FAQs

  • Can I use frozen squash instead of fresh?

Yes, thaw and drain frozen squash completely before using. Pat dry with paper towels to remove excess moisture to prevent a watery casserole.

  • What type of crackers work best for the topping?

Ritz crackers are traditional and provide a buttery, crispy texture. Saltine crackers or butter crackers also work well as alternatives.

  • How can I make this casserole healthier?

Substitute low-fat cheese, Greek yogurt instead of sour cream, and use reduced-fat mayonnaise to lower the calorie and fat content while maintaining great flavor.

  • Is this dish suitable for vegetarians?

This recipe contains eggs and dairy, so it’s vegetarian-friendly but not vegan. Vegetarians can enjoy this squash casserole as a delicious side dish or light main course.

Yellow Squash Casserole Summary

  • Whip Up Comfort: Dive into a creamy, cheesy casserole that brings warmth and satisfaction to your dinner table with minimal kitchen effort.
  • Customize with Ease: Swap crackers, experiment with cheese varieties, or add herbs to make this recipe uniquely yours without complicated techniques.
  • Family-Friendly Feast: Packed with vegetables and delicious flavors, this dish transforms yellow squash into a crowd-pleasing meal that even picky eaters will love.
  • Quick Weeknight Winner: Prepare this simple casserole in under an hour, making it perfect for busy families seeking a hearty, nutritious dinner solution.

Ingredients for Squash Casserole

Main Ingredients:
  • Yellow Squash: Fresh summer vegetable that provides the base and primary flavor for the casserole.
  • Onion: Adds depth and aromatic sweetness to the casserole mixture.
  • Cheddar Cheese: Delivers rich, sharp flavor and creamy texture to the dish.
Dairy and Binding Ingredients:
  • Sour Cream, Mayonnaise: Create a smooth, tangy base that helps bind the casserole ingredients together.
  • Eggs: Act as a crucial binding agent that helps set the casserole and provide structure.
Topping and Seasoning Ingredients:
  • Crackers, Butter: Provide a crispy, golden-brown topping that adds crunch and richness to the casserole.
  • Salt, Pepper: Essential seasonings that enhance the overall flavor profile of the dish.

Making a Delicious Squash Casserole

Step 1: Warm Up The Cooking Space

Crank the oven to a cozy 350°F (175°C).

Grab a baking dish and give it a quick spray or butter rub to prevent sticking.

Step 2: Transform Squash And Onions

Slice yellow squash and chop onions into bite-sized pieces.

Toss them into a skillet and cook over medium heat.

Let them dance and soften for about 10 minutes.

Once they’re tender, drain any extra liquid to keep the casserole from getting watery.

Step 3: Create A Creamy Mixture

Grab a mixing bowl and combine the star ingredients:
  • Cooked squash
  • Shredded cheddar cheese
  • Sour cream
  • Mayonnaise
  • Beaten eggs
  • Pinch of salt
  • Dash of black pepper

Stir everything together until well blended.

Step 4: Transfer To Baking Dish

Pour the squash mixture into the prepared baking dish, spreading it evenly.

Step 5: Prepare Crispy Topping

In another bowl, mix:
  • Crushed crackers
  • Melted butter

Sprinkle this crunchy mixture over the casserole surface.

Step 6: Bake To Perfection

Slide the dish into the preheated oven.

Bake for 25-30 minutes until the top turns golden brown and the edges bubble with deliciousness.

Step 7: Serve And Savor

Pull the casserole out, let it cool for a few minutes, then serve warm.

Enjoy the creamy, cheesy goodness!

Squash Casserole Cooking Tips

  • Pat cooked squash dry with paper towels to prevent a watery casserole and maintain a rich, creamy texture.
  • Select young, firm yellow squash with smooth skin for the best flavor and tender consistency.
  • Mix different types of crackers like Ritz and butter crackers for a more complex, crunchy topping.
  • Substitute low-fat cheese and Greek yogurt for a lighter version of the casserole without sacrificing taste.
  • Prepare the casserole up to a day in advance and refrigerate, then bake just before serving for convenient meal planning.

Fresh Takes on Yellow Squash Casserole

  • Vegan Squash Bake: Replace cheese with nutritional yeast, use plant-based mayo, and swap eggs with ground flaxseed mixed with water.
  • Gluten-Free Zucchini Casserole: Substitute crackers with gluten-free breadcrumbs or crushed gluten-free cornflakes for the topping.
  • Low-Carb Squash Casserole: Use almond flour or crushed pork rinds instead of crackers, and reduce onion quantity for fewer carbohydrates.
  • Herb-Infused Vegetable Casserole: Add fresh thyme, rosemary, or basil to enhance the flavor profile and create a more aromatic dish.

Sides for Squash Casserole

  • Comfort Food Companion: Pair this creamy yellow squash casserole with grilled chicken or roasted pork for a hearty main course meal.
  • Veggie Side Symphony: Complement the casserole with fresh green salad or steamed broccoli to balance the rich, cheesy flavors and add nutritional variety.
  • Brunch Brilliance: Serve alongside scrambled eggs and crispy bacon for a delightful weekend breakfast or brunch spread that will impress family and friends.
  • Potluck Perfection: Transport this crowd-pleasing dish to gatherings, where its golden-brown top and creamy texture will make it an instant favorite among guests.

Preserve the Squash Casserole Properly

  • Store leftover casserole in an airtight container for up to 3-4 days in the refrigerator. Cover tightly with plastic wrap or lid to maintain freshness.
  • Wrap the cooled casserole securely in aluminum foil or freezer-safe container. Freeze for maximum 2 months. Label with date for easy tracking.
  • Place individual portions on microwave-safe plate. Heat on medium power for 1-2 minutes, stirring halfway through to ensure even warming.
  • Preheat oven to 350F. Cover casserole with foil to prevent drying. Warm for 15-20 minutes until heated completely through. Remove foil last 5 minutes to crisp topping.
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Easy Yellow Squash Casserole Recipe

Easy Yellow Squash Casserole Recipe


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4.5 from 12 reviews

  • Total Time: 50 minutes
  • Yield: 6 1x

Description

Southern comfort meets garden-fresh goodness in this yellow squash casserole, blending creamy cheese and buttery cracker crumbs into a nostalgic side dish. Home cooks can savor this simple, hearty recipe that celebrates seasonal produce with Southern charm.


Ingredients

Scale

Main Ingredients:

  • 4 cups yellow squash, sliced
  • 2 eggs, beaten
  • 1 cup shredded cheddar cheese
  • 1 small onion, diced

Dairy and Creamy Components:

  • 1/2 cup sour cream
  • 1/2 cup mayonnaise
  • 2 tablespoons butter, melted

Topping and Seasoning:

  • 1 cup crushed buttery crackers (like Ritz)
  • 1/2 teaspoon salt

Instructions

  1. Prepare the oven at 350°F (175°C) and coat a baking dish with cooking spray or butter to prevent sticking.
  2. Heat a large skillet over medium temperature and gently cook diced squash and onions until they become tender and slightly translucent, approximately 10 minutes. Carefully drain any accumulated liquid to maintain the casserole’s texture.
  3. Combine the softened squash mixture with shredded cheddar cheese, creamy sour cream, rich mayonnaise, whisked eggs, and season with salt and freshly ground black pepper in a mixing bowl, ensuring all ingredients are evenly distributed.
  4. Transfer the vegetable and cheese blend into the prepared baking dish, spreading it uniformly to create an even layer.
  5. Crush crackers into fine crumbs and blend with melted butter, creating a crispy topping that will add delightful texture to the casserole.
  6. Sprinkle the buttery cracker mixture across the entire surface of the casserole, covering it completely for maximum crunch.
  7. Place the casserole in the preheated oven and bake for 25-30 minutes until the top turns golden brown and the interior becomes bubbly and heated through.
  8. Remove from oven and allow to rest for 5 minutes before serving to help set the casserole and enhance flavor melding.

Notes

  • Moisture Management is crucial when preparing yellow squash to prevent a watery casserole, so thoroughly drain cooked squash after sautéing.
  • Experiment with cheese varieties like Gruyère or pepper jack for a flavor twist that can elevate the classic recipe’s taste profile.
  • Gluten-free adaptation works perfectly by substituting regular crackers with gluten-free alternatives like almond flour crackers or crushed gluten-free breadcrumbs.
  • For a lighter version, replace full-fat sour cream and mayonnaise with Greek yogurt and reduce the cheese quantity to cut down on calories without sacrificing creamy texture.
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Category: Lunch, Dinner, Appetizer
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 6
  • Calories: 245 kcal
  • Sugar: 2 g
  • Sodium: 310 mg
  • Fat: 20 g
  • Saturated Fat: 8 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 0.5 g
  • Carbohydrates: 10 g
  • Fiber: 1 g
  • Protein: 7 g
  • Cholesterol: 70 mg
Amanda Bennett

Amanda Bennett

Recipe Curator & Culinary Educator

Expertise

Baking and Pastry Arts, Recipe Testing and Development, Culinary Instruction, Food Styling and Photography

Education

​Asheville-Buncombe Technical Community College, Asheville, NC
​Diploma in Culinary Arts
Emphasized practical cooking skills, nutrition, and kitchen management.​

Cambridge School of Culinary Arts, Cambridge, MA
Certificate in Professional Pastry Arts
Specialized in baking techniques, dessert presentation, and flavor profiling


Amanda’s roots run deep in the Southern hills, where every meal started fresh from the garden and every dessert came with a story. She trained at Asheville-Buncombe Technical Community College and sharpened her pastry skills at the Cambridge School of Culinary Arts, blending classic technique with everyday charm.
At The Liffey, Amanda’s passion is making baking and home cooking feel natural and joyful. She’s all about single recipes that are simple enough for a busy afternoon, but special enough to make someone’s day a little sweeter.

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