How To Bake an Overgrown Summer Squash

How To Bake an Overgrown Summer Squash

A couple years ago an oversight actually turned into a delicious idea. I walked out to my patch of yellow squash plants and found a squash that had become huge. It was about 14 inches long and had a diameter of about 4 inches. As soon as I saw the summer squash I immediately became angry at myself for not checking between the big leaves better for possible pickings. This one had slipped by, and was now probably not worth eating.

Typically when summer squash get too mature (such as this one), they become tough and grainy tasting. They certainly don’t have the same light, buttery taste that I have come to love from yellow summer squash.

Large Overgrown Yellow Summer Squash

I was bent on not trashing the big squash, so I asked my mother what to do with it. She grabbed the huge squash with a “what the..?” look on her face and went to work on concocting a recipe for it. It turned out to be some of the best prepared summer squash I have ever had! Here is the recipe for baked overgrown summer squash:

Baked Overgrown Summer Squash


  • 1 or 2 overgrown yellow summer squash, ends removed and halved long ways
  • 2 small spoonfuls of butter per squash half
  • 1 or 2 slices of white onion per squash half
  • Extra-virgin olive oil
  • Pam or other non-stick cooking spray
  • Kosher or Sea Salt (regular table salt would be fine, too)
  • Course ground black pepper
  • Garlic and Parsley Powder
  • Shredded or grated Parmesan cheese


  1. Preheat the oven to 375°.
  2. Make sure to thoroughly wash the squash halves, if you haven’t done so already.
  3. Cut the Squash In Half Long Ways

  4. Take a baking sheet or pan and place a layer of aluminum foil on the bottom. Spray the foil with Pam or another non-stick cooking spray.
  5. Line a Baking Pan With Aluminum Foil

  6. Place the squash halves on the baking sheet, side-by-side.
  7. Lay The Squash Halves In Baking Pan

  8. Take a sharp knife and cut 4 or 5 slits in each squash half, long ways.
  9. Cut Long Slits In Each Squash Half

  10. Put two spoonfuls of butter on each squash half
  11. Two Dollops of Butter On Each Squash Half

  12. Lightly drizzle a little olive oil on each half; use a brush to lightly brush the oil across each squash half (In hindsight, it might be better to add the butter AFTER brushing on the olive oil)
  13. Coat Each Squash Half With Olive Oil

  14. Place 1 or 2 onion slices on each half and sprinkle the halves with the Kosher salt, pepper, garlic and parsley powder. Sprinkle the shredded parmesan cheese on the halves until they are covered.
  15. Top Each Squash Half With Salt, Pepper, Onion Slices, and Cheese

  16. Place the baking pan into the oven and let cook until cheese has browned; usually 30 – 45 minutes, depending on the size of the squash.

You will know the squash are ready once the cheese has melted, and the onions have become translucent in color. The squash should be soft and tender. You will notice that the slits cut into the squash have opened up, letting all the butter, cheese, and garlic parsley powder seep into the flesh.

Squash Halves Are Ready To Enjoy After Baking for 30 to 45 Minutes

You can serve the squash with just about anything, but goes really well with a nice steak or a plateful of ribs. I hope you enjoy my mother’s recipe for overgrown squash. I know I do!

Delicious Yellow Summer Squash

7 Comments on How To Bake an Overgrown Summer Squash

  1. Thanks for posting the Overgrown Summer Squash recipe WITH PICTURES!!! Very Helpful!

  2. I just made it to the garden after 3 days and found myself with a huge bag, full of overgrown squash. Not knowing if it was good enough to eat or give away, I did a search and found this recipe and tried it. It was great! Thanks.

    • Hi Nedra – Baking a large squash is just delicious! I might not always catch a squash before it gets too big, but I sure know what to do with it if it does 😉

      I’m glad you enjoyed the recipe!

  3. I just picked 6 overgrown squash and have been searching for a good recipe! I’m so happy that I don’t have to toss them and I can’t wait to try this! Thanks!

  4. Britani Sidwell // July 9, 2014 at 3:05 am // Reply

    Were you still able to eat the skin on these?

  5. Thanks for this great recipe. I was away for a week and came home to 4 large, yellow squash. I am going to use this recipe this evening and wanted to thank you for it!

  6. Did you do anything with the seeds?

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