Mama's Summer Squash Casserole

Rating: 4.53 stars
78 Ratings
  • 5 star values: 52
  • 4 star values: 20
  • 3 star values: 2
  • 2 star values: 3
  • 1 star values: 1

This is a wonderful, cheese-enhanced squash casserole that my husband makes from memory of his mother's recipe.

 By Northerngirl
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Ingredients

6
Original recipe yields 6 servings
The ingredient list now reflects the servings specified

Directions

  • Preheat oven to 350 degrees F (175 degrees C). Grease a 1-quart casserole dish.

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  • Place a steamer insert into a saucepan and fill with water to just below the bottom of the steamer. Bring water to a boil. Add squash and onion, cover, and steam until squash is tender and easily mashed with a fork, 10 to 15 minutes.

  • Whisk egg and sour cream together in the prepared casserole dish; add squash, onions, 2/3 the crackers, and 2/3 the Cheddar cheese. Stir with a fork. Cover the squash mixture with remaining Cheddar cheese and crackers.

  • Bake in the preheated oven until cheese is melted and crackers are lightly browned, about 30 minutes.

Cook's Note:

My husband and I love this casserole, so between us we can finish it off in two meals. However, under normal conditions, the finished casserole should feed six adults. We also like to steam the squash and onions and then freeze them to use when summer is over. This cuts down on prep time by about 45-55 minutes since all you have to do is crush the crackers and mix the ingredients once the squash is thawed out.

Partner Tip

Reynolds® Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.

Nutrition Facts

Per Serving:
369 calories; 24 g total fat; 86 mg cholesterol; 439 mg sodium. 24.9 g carbohydrates; 15.3 g protein; Full Nutrition

Reviews (61)

Read More Reviews

Most helpful positive review

It's A New Day
Rating: 5 stars
08/28/2012
I had only 3 summer squash to use up so I halved the recipe. But I still used an entire onion which I carmelized in olive oil instead of steaming. I highly recommend carmelizing the onion and also leaving the squash al dente instead of mushy. I also used the whole egg. I didn't have a "sleeve" of Ritz crackers so I had to estimate with club crackers. Since I had used a whole egg I used enough cracker crumbs to make the whole thing come together. I also used Cheddar cheese with black pepper which made the whole thing spicier. I really enjoyed this recipe and will make again. Thanks! Read More
Helpful
(42)

Most helpful critical review

queenvalerie
Rating: 3 stars
07/29/2016
It was quite tasty if a little bland. I added carmelized onion thyme and a bit of red pepper flakes. After that it was great! Read More
Helpful
(2)
78 Ratings
  • 5 star values: 52
  • 4 star values: 20
  • 3 star values: 2
  • 2 star values: 3
  • 1 star values: 1
Reviews:
Most Helpful Most Positive Least Positive Newest
It's A New Day
Rating: 5 stars
08/28/2012
I had only 3 summer squash to use up so I halved the recipe. But I still used an entire onion which I carmelized in olive oil instead of steaming. I highly recommend carmelizing the onion and also leaving the squash al dente instead of mushy. I also used the whole egg. I didn't have a "sleeve" of Ritz crackers so I had to estimate with club crackers. Since I had used a whole egg I used enough cracker crumbs to make the whole thing come together. I also used Cheddar cheese with black pepper which made the whole thing spicier. I really enjoyed this recipe and will make again. Thanks! Read More
Helpful
(42)
It's A New Day
Rating: 5 stars
08/28/2012
I had only 3 summer squash to use up so I halved the recipe. But I still used an entire onion which I carmelized in olive oil instead of steaming. I highly recommend carmelizing the onion and also leaving the squash al dente instead of mushy. I also used the whole egg. I didn't have a "sleeve" of Ritz crackers so I had to estimate with club crackers. Since I had used a whole egg I used enough cracker crumbs to make the whole thing come together. I also used Cheddar cheese with black pepper which made the whole thing spicier. I really enjoyed this recipe and will make again. Thanks! Read More
Helpful
(42)
Shearone
Rating: 5 stars
06/25/2013
Delicious and easy recipe! I sliced the squash and onions in the food processor and then placed in my microwavable rice/vegetable steamer and microwaved on high for 10 minutes. I added 1/4 teaspoon of salt and freshly grated nutmeg. I crushed the crackers in the food processor and added 1/4 cup of butter. I added 1/2 of the crackers to the filling and 1/2 were sprinkled on top along with part of the cheese. Beautiful golden color was achieved after 25 minutes. Thank you Northerngirl for sharing your mother-in-law's recipe. Read More
Helpful
(19)
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Eric
Rating: 4 stars
05/21/2012
Yummy. Even people who are not squash lovers will enjoy this dish. Read More
Helpful
(14)
lucita2002
Rating: 5 stars
06/04/2014
I made this the other day and it was great. I did not have any crackers so I just used breadcrumbs. hope this helps! Read More
Helpful
(9)
Peggy
Rating: 5 stars
09/09/2013
I didn't pre-cook squash. I added slices of pre-cooked Italian sausage and a grated carrot to make it a complete meal and used Club crackers. My husband loved it and said it was one of the best 'from the garden' recipes I've ever made! The dogs eat the leftovers and devoured them. Read More
Helpful
(7)
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Beth Shipley
Rating: 4 stars
08/04/2014
I made this the other night it was great! I caramelized the onion as others suggested and added crumbled bacon because according to my kids everything is better with bacon! Will make again for sure! Read More
Helpful
(5)
Vicki Page
Rating: 5 stars
12/23/2013
This was surprising good for as easy as it is to prepare! I will definitely keep this one in our rotation. It is very good with yellow squash one zucchini or combination of both. I'm wondering if anyone has tried it using chayote. It sounds like that would be really good too and recipes using chayote squash are difficult to find. Thanks for posting this! Great dish! Read More
Helpful
(3)
camelia
Rating: 5 stars
07/18/2013
Delicious and easy! My grandchildren loved it! Thank-you! Read More
Helpful
(3)
queenvalerie
Rating: 3 stars
07/29/2016
It was quite tasty if a little bland. I added carmelized onion thyme and a bit of red pepper flakes. After that it was great! Read More
Helpful
(2)
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