• Skip to main content
  • Skip to primary sidebar
Casserole Recipes
menu icon
go to homepage
  • Easy
  • Beef
  • Chicken
  • Pork
  • Turkey
  • Make Ahead
  • Cheese
  • Vegetarian
  • Vegetable
  • Breakfast
  • Dinner
  • Side Dish
search icon
Homepage link
  • Easy
  • Beef
  • Chicken
  • Pork
  • Turkey
  • Make Ahead
  • Cheese
  • Vegetarian
  • Vegetable
  • Breakfast
  • Dinner
  • Side Dish
×

Mini Squash Casserole

Modified: Jul 14, 2025 by Chantal Kirkland · This post may contain affiliate links · Leave a Comment

Jump to Recipe Jump to Video Print Recipe

A busy lifestyle shouldn't mean sacrificing delicious, nutritious meals. Picture this: a comforting dish straight from the oven, brimming with the natural goodness of squash and zucchini, topped with a golden, crispy layer of breadcrumbs. Our Mini Squash Casserole recipe is perfect as a main dish for vegetarian meals or a side dish for those meat-lovers out there. Either way, its a sure win at my table!

baking dish of mini squash casserole on a table ready to serve
Jump to:
  • Mini Squash Casserole
  • 📖Printable Recipe:
  • Mini Squash Casserole
  • 📋Ingredients
  • 🔪How Do I Make It?
  • 🍽What Do I Serve With This Casserole Dish?
  • ⏲️Chef's Tip
  • 💭Frequently Asked Questions
  • 🥘More Easy Casseroles

Mini Squash Casserole

🎥Video Recipe:

📖Printable Recipe:

baking dish of mini squash casserole on a table ready to serve

Mini Squash Casserole

The perfect Mini Squash Casserole is about celebrating the flavors and textures of fresh vegetables combined with a few kitchen staples. This dish not only brings a comforting, homemade touch to your table but also supports a health-conscious lifestyle.
No ratings yet
Print Recipe Pin Recipe
Prep Time 25 minutes mins
Cook Time 20 minutes mins
Course Main Course
Cuisine American
Servings 4
Calories 352 kcal

Ingredients
  

  • 3 tablespoon butter
  • ½ cup panko breadcrumbs
  • 1 green squash sliced into circles
  • 1 zucchini sliced into circles
  • ½ red onion chopped
  • ½ bell pepper chopped
  • 2 garlic cloves minced
  • ¼ cup mayonnaise
  • 2 eggs
  • ½ cup cheddar finely sliced or shredded

Instructions
 

  • Preheat the oven to 190C/375F.
  • Heat up 2-3 tablespoon of olive oil in a large pan placed over the medium heat. Add bell peppers and onions into the pan, cook for 10 minutes. Mix in garlic and cook for 1 minute. Add zucchini and squash slices into the vegetable mix, season with salt and pepper and continue cooking for 10 more minutes.
    1 green squash, 1 zucchini, ½ red onion, ½ bell pepper, 2 garlic cloves
    sliced squash being cooked down in a pan with other ingredients to make mini squash casserole
  • Meanwhile whisk eggs with mayonnaise.
    2 eggs, ¼ cup mayonnaise
    eggs and other ingredients being mixed together in a bowl to make mini squash casserole
  • Pour egg mixture over the vegetables, add cheese and mix to combine.
    ½ cup cheddar
    adding ingredients to a baking dish to make mini squash casserole
  • In a separate bowl combine butter with breadcrumbs.
    3 tablespoon butter, ½ cup panko breadcrumbs
  • Divide the vegetable mixture between 2 baking pans and top with breadcrumbs. Bake for 15-20 minutes.
    adding breadcrumb topping to mini squash casserole prior to final baking

Video

Nutrition

Serving: 1gCalories: 352kcalCarbohydrates: 21gProtein: 9gFat: 27gSaturated Fat: 11gPolyunsaturated Fat: 7gMonounsaturated Fat: 7gTrans Fat: 0.4gCholesterol: 124mgSodium: 343mgPotassium: 621mgFiber: 3gSugar: 3gVitamin A: 1491IUVitamin C: 41mgCalcium: 180mgIron: 2mg
Keyword casserole, cheddar, egg, green squash, mini, squash, zucchini
Tried this recipe?Let us know how it was!

📋Ingredients

  • 3 tablespoon butter
  • ½ cup panko breadcrumbs
  • 1 green squash, sliced into circles
  • 1 zucchini, sliced into circles
  • ½ red onion, chopped
  • ½ bell pepper, chopped
  • 2 garlic cloves, minced
  • ¼ cup mayonnaise
  • 2 eggs
  • ½ cup cheddar, finely sliced or shredded
ingredients to make mini squash casserole laid out on a table

🔪How Do I Make It?

Preheat the oven to 190C/375F.

Heat up 2-3 tablespoon of olive oil in a large pan placed over the medium heat. Add bell peppers and onions into the pan, cook for 10 minutes. Mix in garlic and cook for 1 minute. Add zucchini and squash slices into the vegetable mix, season with salt and pepper and continue cooking for 10 more minutes.

sliced squash being cooked down in a pan with other ingredients to make mini squash casserole

Meanwhile whisk eggs with mayonnaise.

eggs and other ingredients being mixed together in a bowl to make mini squash casserole

Pour egg mixture over the vegetables, add cheese and mix to combine.

adding ingredients to a baking dish to make mini squash casserole

In a separate bowl combine butter with breadcrumbs. 

Divide the vegetable mixture between 2 baking pans and top with breadcrumbs. Bake for 15-20 minutes.

adding breadcrumb topping to mini squash casserole prior to final baking

🍽What Do I Serve With This Casserole Dish?

Fresh Green Salad

Pairing your Mini Squash Casserole with a simple green salad drizzled with light vinaigrette can elevate your meal. The refreshing crunch of the salad beautifully balances the rich and creamy texture of the casserole.

Hearty Proteins

For a heartier meal, consider adding roasted chicken or fish. These proteins enhance the dining experience, satisfying every palate while providing essential nutrients.

Complementary Grains

Serving the casserole alongside a nutritious grain like quinoa or brown rice is another excellent choice. These grains not only add nutritional value but also soak up the delightful juices from the casserole, ensuring that no flavour is left behind.

Crusty Bread

Don’t forget to include some crusty bread on the side! This crunchy addition is perfect for those who enjoy a satisfying texture contrast with their meal.

Decadent Cheese Platter

For a more indulgent experience, consider a cheese platter. The variety of textures and flavors offered by assorted cheeses can create a gourmet touch, making it ideal for dinner parties or special family gatherings.

closeup of a fork with a bite of mini squash casserole being held up to enjoy

⏲️Chef's Tip

Even Slices Are Key

Creating the perfect Mini Squash Casserole begins with slicing your squash and zucchini evenly. Uniform slices ensure that all pieces cook at the same rate, preventing some from becoming overcooked while others remain underdone.

Patience While Sautéing

When it comes to sautéing the vegetables, patience is essential. Cook the bell peppers and onions for a full ten minutes to allow their flavours to develop and caramelize, which will add depth to your casserole. Introduce garlic towards the end of the cooking process to prevent it from burning, thereby preserving its aromatic qualities.

Season Generously

Be generous with your seasoning! The subtle flavors of squash and zucchini can be enhanced with a good amount of salt and pepper. Feel free to experiment with herbs like thyme or rosemary for an added layer of deliciousness.

baking dish of mini squash casserole on a table ready to sere

💭Frequently Asked Questions

How do I store leftovers?

Leftover Mini Squash Casserole can be stored in an airtight container in the refrigerator for up to three days. Reheat it in the oven at 350°F (175°C) until warm.

Can I freeze the casserole?

Absolutely! Prepare the casserole as instructed, but stop before adding the breadcrumb topping. Freeze it in an oven-safe dish. When ready to eat, thaw it in the fridge overnight, top with breadcrumbs, and bake.

Can I use other types of squash?

Certainly! Feel free to substitute with yellow squash or even butternut squash. Just ensure the pieces are evenly sliced for consistent cooking.

Can I make it ahead of time?

Yes, making Mini Squash Casserole ahead of time can be a great way to save time during busy days. You can prepare the casserole and store it in the refrigerator for up to 24 hours before baking. Just cover it tightly to keep it fresh. When ready to bake, add the breadcrumb topping and cook as instructed.

What variations can I try?

Feel free to get creative with your Mini Squash Casserole! You can add ingredients like spinach, mushrooms, or even diced tomatoes for a bit of sweetness. If you're looking for a protein boost, consider adding cooked ground turkey or legumes. Spices such as cumin or paprika can also bring a unique twist to the dish.

Is it suitable for vegetarian or vegan diets?

The Mini Squash Casserole is naturally vegetarian, as it consists primarily of vegetables and seasonings. For a vegan version, simply substitute dairy ingredients with plant-based alternatives, such as non-dairy cheese or milk, and adjust the recipe accordingly for a delicious dish that everyone can enjoy.

overhead view of a baking dish of mini squash casserole

🥘More Easy Casseroles

If you enjoyed the Mini Squash Casserole, you're in for a treat. Casseroles are a versatile and satisfying way to incorporate various ingredients into one dish. Check out some of my favorite casserole dishes for a weeknight meal you're sure to love!

  • Hamburger Potato Casserole
  • Crispy Tuna Casserole
  • Cheesy Gnocchi Casserole
  • Creamy Chicken and Ham Casserole
  • Chicken Cordon Bleu Casserole
  • Chicken Poppy Seed Casserole

More Side

  • Crustless Quiche with Broccoli and Cauliflower
  • Spinach Casserole with Feta
  • spoon scooping out a serving of creamy cauliflower casserole from a baking dish
    Creamy Cauliflower Casserole
  • casserole dish filled with Tomato and Houllimi Bake
    Tomato and Halloumi Bake

Sharing is caring!

  • Facebook
  • Twitter
  • Reddit

Reader Interactions

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Recipe Rating




Primary Sidebar

Casserole recipe logo

Hi, I'm Lindsey! Try my favorite casserole recipes I've developed over the years. Each recipe comes with a video demonstration and printable option.

P.S Feel free to share my recipes on your blog, using 1 image and a link back to the recipe directions.

Recipe Index →

Popular Recipes

  • serving of huevos rancheros casserole on a plate ready to enjoy
    Huevos Rancheros Casserole
  • skillet of baked skillet lasagna being served with a large spoon
    Baked Skillet Lasagna
  • bowl with a serving of beef hot pot casserole ready to enjoy
    Beef Hotpot Casserole
  • casserole dish of miso chicken bake
    Miso Chicken Bake

Casseroles You should make now!

  • Asparagus Casserole
  • Baked chicken coconut and rice casserole in a glass dish.
    Chicken, Coconut, and Rice Casserole
  • Chicken meatball casserole freshly baked.
    Chicken Meatball Casserole
  • Cowboy Casserole

Helpful Pages

Privacy policy

About / Contact Me

Copyright © 2025 Casserole Recipes | All Rights Reserved

Rate This Recipe

Your vote:




A rating is required
A name is required
An email is required