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    Home » Recipes » Casseroles » Vegetable Casseroles » Creamy Pasta with Squash Casserole

    Creamy Pasta with Squash Casserole

    Published: Jul 26, 2023 by Barbara Curry · This post may contain affiliate links.

    Jump to Recipe
    5 from 4 votes

    Disclaimer: This post may contain affiliate links.

    Mac and cheese with squash in a baking dish.
    Mac and cheese with squash in a baking dish.

    Mac and cheese is combined with summer squash for this creamy side dish that even your picky eaters will love. A hint of lemon and a buttery topping turns this make ahead pasta dish into a summer casserole that’s great for a potluck, cookout or any family gathering.

    A spoon lifting out a serving of pasta with squash.

    The creamiest mac & cheese with veggies, even the kids will like!

    You can never have too many squash or zucchini recipes, so if you’re looking for something to do with your bounty of summer squash and zucchini, and are tired of traditional squash casserole, you’re going to love this pasta casserole recipe.

    Not as rich as mac & cheese made with cream, but you still get that comfort dish feel. Think of this as a macaroni and cheese dish with squash added in, kind of like broccoli mac and cheese.

    You don’t have to save it just for summer, you can always find squash in the grocery, so keep it in mind for your next work potluck or holiday side dish.

    Is yellow squash the same as zucchini?

    They are actually two different vegetables but they can be used interchangeably in this recipe and in most other squash recipes.

    Why you’ll love a squash casserole recipe

    • It’s a great way to use summer squash or zucchini
    • It’s a healthy way to spruce up a homemade mac and cheese dish and sneak in some veggies
    • You can find squash in the grocery all year long so it’s a great potluck or holiday side
    • You can make this in advance and refrigerate until ready to bake.

    While seasoning the squash, you might think it has too many red pepper flakes, but when you add it to the pasta the flavor spreads out and you end up with just a hint of spice.  

    Of course, I had to remove some of the pasta to a separate ramekin before adding the squash due to a picky eater in the house.  

    I can remember my grandmother doing this for me when I didn’t like the mayonnaise dressing that she put on fruit salad.  I guess I’m just carrying on the tradition.  The picky eater loved the dish without the squash and why wouldn’t you, it’s basically macaroni and cheese!

    Squash pasta in a casseroled dish with a serving spoon.

    What can you use instead of breadcrumbs?

    While panko breadcrumbs add a crunch to the top of casseroles, you can also used crushed Ritz crackers and still have a crunchy topping. You won’t need to add the butter, just crush them and place them on top before baking.

    How do you keep squash casserole from getting watery?

    Sauteing the squash before adding it to the casserole, removes the liquid so that the casserole is not watery.

    What you’ll need

    The ingredients for squash casserole.
    Gather the ingredients.
    • Orecchiette pasta – this fun shaped pasta, that translates to “little ear” in Italian is fun to use in this dish but literally any favorite pasta shape will work.
    • Summer squash – be sure to slice the veggies thin. There’s no need to peel it after you wash it – just slice! You can just as easily use zucchini or a combination of both.
    • Panko breadcrumbs – panko crumbs adds an extra crunch which you need for a pasta casserole. You can find them in the bread or baking section at your grocery.
    • Lemon – you will want to zest the outside of the lemon before squeezing the lemon juice out.
    • Green onions – green onions with their milder flavor add just enough interest without the harsh onion bite.The green and white parts are both edible so don’t waste them!
    • Fresh spices – parsley and thyme come in the refrigerated section at your grocery or they’re easy to grow in a pot outside or on a balcony. Fresh adds a new dimension of flavor over dried spices, but you can used dried.
    • Parmesan cheese – it’s easy to buy parmesan cheese already grated or grate your own, it’s a nice hard, nutty cheese that finishes nicely on top of sauces and pasta.
    • Mozzarella cheese – for this recipe, you’ll buy a block of mozzarella and cut it into small cubes. Don’t buy fresh mozzarella as it has more moisture than you’ll need.
    • Pantry staples – butter, salt and pepper, milk, flour, garlic, butter, red pepper flakes and olive oil.

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      How Do You Make a Pasta with Squash and Zucchini

      Step 1: Cook the pasta

      Cook the pasta in salted water, drain. Set aside.

      Step 2: Cook the squash

      In a large skillet, cook the thinly sliced squash. (I used a mandolin). Add some red pepper flakes. Let it brown before moving around so that it has some color to it, transfer to a bowl and squeeze lemon juice over it.

      Summer squash sliced with a mandolin.
      Slice the squash.
      Summer squash browned in a skillet.

      Step 3: Make the sauce

      In the same pan, melt butter, add some green onions and garlic cook for a couple of minutes. Next add flour and slowly add milk. Add lemon zest, parsley and thyme.

      A skillet of onions and flour.
      Saute the onions with butter and flour.
      A bechamel sauce with parsley and thyme.
      Whisk in milk then add herbs.

      Add to the pasta mixture along with some parmesan and mozzarella and stir to combine. Pour into a baking dish.

      Squash added to pasta and sauce in a pot.
      Add pasta and squash to the sauce.
      Pasta and squash in a baking dish.
      Pour into a baking dish.

      Step 4:

      In a small skillet combine butter and panko, stirring until brown. Sprinkle over the pasta mixture and bake until golden brown.

      A skillet of panko and butter.
      Brown butter and panko in a skillet.
      A squash casserole topped with panko breadcrumbs.
      Sprinkle panko over the casserole.

      Every time I make this dish, the family asks why it’s been so long since we’ve had this summer squash casserole. That’s what it’s like to live with a food blogger, once you’ve perfected a recipe, it’s hard to get repeats.

      Recipe Notes

      • My favorite part is the lemon flavor that you get from just a teaspoon of lemon zest and juice from half of a lemon.  Make sure you zest first or you’ll have a mess.
      • For the pasta part of the dish, I used whole milk to make the bechamel sauce, but you could lighten it with skim or make it richer with cream.  I thought whole milk was a good compromise. It’s creamy but not too rich. There is just enough cheese to make it gooey without hiding the squash completely.
      • If you don’t have a mandolin, put it on your Christmas list.  Natalie got one for me one year and I use it all the time, it’s great for au gratin potatoes.

      Pro Tip: I used a mandolin to thinly slice my veggies, but if you don’t have one, try the thin blade on a food processor or just try to slice them as thin as you can with a knife.  

      How to Store a squash casserole

      Store leftovers in an airtight container and warm in the oven or microwave.

      You can freeze this before or after it has baked. If freezing before you bake it, wait to add the panko crumbs until ready to bake.

      Summer Squash Pasta Bake FAQs

      What is the yellow squash called?

      Yellow squash or summer squash comes in 2 varieties – straightneck and crookneck. Crookneck is known for its larger seeds and having a thicker and waxier skin. Straightneck has a larger bottom and a slender neck.

      Can you eat yellow squash raw?

      Yes, the entire body, skin and seeds of the yellow squash are edible cooked or raw. It’s great dipped into some homemade ranch dressing.

      Do you need to peel yellow squash?

      Good news! You don’t have to peel this squash. The skin has great color and nutrients plus the skin helps the vegetable hold together better.

      How long does yellow squash last?

      If you keep the vegetable on the counter, it’ll last 1-4 days but you can add a few days to its shelf life by storing it in the refrigerator.

      More squash & zucchini recipes

      • Four slices of banana bread on a round rack.
        Banana Zucchini Bread with Chocolate Chips
      • Zucchini noodles with cherry tomatoes on a white platter with a wooden spoon
        Zucchini Pasta Salad with Balsamic Vinegar
      • Zucchini quiches on a white serving platter.
        Zucchini Appetizer Recipe
      • A scoop of summer squash casserole.
        Summer Squash Casserole with Ritz Crackers

      Spruced Up Mac and Cheese Recipes to Try

      • Macaroni and cheese with broccoli
      • One pot macaroni and cheese
      • Mac and cheese with spinach
      • Cauliflower mac and cheese
      • Crock pot mac and cheese

      Adapted from Smitten Kitchen

      If you loved this recipe, give it a star ⭐️⭐️⭐️⭐️⭐️ rating! Also, snap a picture of your finished dish and share it with me on Instagram using the hashtag #butterandbaggage and tagging me @butterandbaggage.

      Creamy squash casserole with a serving spoon.

      Creamy Pasta with Squash Casserole

      Author: Barbara Curry
      Mac and cheese is combined with summer squash for this creamy side dish that even your picky eaters will love. A hint of lemon and a buttery topping turns this make ahead pasta dish into a summer casserole that's great for a potluck, cookout or any family gathering.
      5 from 4 votes
      Print Pin
      PREP: 30 minutes minutes
      COOK: 16 minutes minutes
      Servings: 8

      Ingredients
       

      • 8 ounces orecchiette pasta
      • 1 tablespoon olive oil
      • 1 lb summer squash sliced thin
      • 1 teaspoon red pepper flakes
      • ½ lemon lemon juice
      • 3 tablespoons butter
      • 2 cloves garlic minced
      • 3 green onions sliced thin, green parts reserved
      • 3 tablespoons flour
      • 1 ½ cups milk
      • 1 teaspoon grated lemon zest
      • ¼ cup parsley
      • ½ tablespoon fresh thyme
      • salt and pepper
      • ¾ cup parmesan cheese grated
      • 4 ounces mozzarella cheese cut into small cubes
      • TOPPING
      • 2 tablespoons butter
      • 1 cup panko breadcrumbs

      Equipment

      • Mandolin
      Prevent your screen from going dark

      Instructions
       

      • Cook the pasta in salted water, drain. Set aside.
      • In a large skillet over medium heat, heat olive oil until hot and add thinly sliced squash. (I used a mandolin) Season with salt, pepper and red pepper flakes. Let it brown before moving around so that it has some color to it, about 10 minutes. Transfer to a bowl and squeeze lemon juice over it. Salt and pepper to taste.
      • In the same pan, melt butter. Add green onions and garlic and saute for about 1-2 minutes. Add flour and stir until absorbed. Slowly add milk that has been warmed in the microwave stirring after each addition until well incorporated. Add lemon zest, salt and pepper to taste. Let simmer for a couple of minutes, stirring frequently. Remove from heat and add half of the parsley and all of the thyme.
      • Add cooked pasta, squash, ½ cup of parmesan and all of the mozzarella, stir to combine and place in a baking dish. Top with remaining parmesan.
      • In a small skillet add 2 tablespoons butter and panko, stirring until brown. Sprinkle over the pasta mixture and bake at 400º for 25-30 minutes until golden brown. Add reserved parsley if desired.
      Barbara’s Tips + Notes
      • If you don’t have a mandolin, try to cut the squash as thin as possible.
      • You can use either zucchini or yellow squash or a mixture of both.
      • This can be made ahead and refrigerated. Remove and let it come to room temperature and then bake as directed.
      • You can remove a portion before adding the squash if you have non-squash eaters. Place in a ramekin and bake until golden brown. The ramekin will take less time.
       

      Nutrition

      Calories: 344kcal | Carbohydrates: 35g | Protein: 14g | Fat: 17g | Saturated Fat: 9g | Cholesterol: 41mg | Sodium: 385mg | Potassium: 334mg | Fiber: 2g | Sugar: 5g | Vitamin A: 875IU | Vitamin C: 14.9mg | Calcium: 273mg | Iron: 1.5mg
      Follow Me On SocialDid you make this recipe? Mention @ButterandBaggage or tag #ButterandBaggage on Instagram!

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      Comments

      1. Nona M Kirk says

        August 08, 2023 at 2:11 am

        5 stars
        Loved loved loved this, l’m a terrible cook so it was wonderful to have such a delicious meal to serve my boys for a change. I greatly appreciate your knowledge and skills. Mostly l’m in gratitude to you for your willingness to share your wisdom. I’m 81 years-old and l’ve learned many chose not to pick that path. So thank you.

        Reply
        • Barbara Curry says

          August 12, 2023 at 6:35 am

          I am so glad you enjoyed this and thank you so much for your nice words. It was just what I needed!

          Reply

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      Barbara Curry is the culinary adventurer of Butter & Baggage. With a dedicated enthusiasm for real butter made from happy cows she is in constant pursuit of delicious recipes and tasty dishes. She shares her experiences, ventures, and occasional misadventures because let’s face it things can get messy in any kitchen.

      More about me →

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