Crock-Pot Fresh Zucchini Casserole Recipe (2024)

Written by: Crock-Pot Ladies 16 Comments

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Is your summer garden bursting at the seams with fresh zucchini? Make this recipe for Crock-Pot Fresh Zucchini Casserole to use up some of that garden (or farmer’s market) abundance. Full of healthy vegetables and taste great this easy slow cooker recipe is a winner every time!

Crock-Pot Fresh Zucchini Casserole Recipe (1)

Slow Cooker Fresh Zucchini Casserole

It’s the time of year….fresh veggies from the garden! It’s also that time of year where you have a plethora of zucchini and squash and need a recipe to use them up before your inundated on your counter with them. This recipe forCrock-Pot Fresh Zucchini Casserole is super easy to make if your needing such a recipe!

This casserole is filled with yummy vegetables, a creamy sauce and then topped with a crispy crust made from stuffing mix (like Stove Top Savory Herb) and it is just delicious. You can serve this as as side dish or as a meatless main dish.

You can use all zucchini squash or yellow summer squash or…a combination of the two.

And while zucchini is an abundant vegetable in most summer vegetable gardens they are also pretty easy to find year-round in most grocery stores.

This recipe is one of my families favorites and I hope you and your family will enjoy it too!

Equipment Needed For Crock-Pot Fresh Zucchini Casserole:

Crock-Pot Fresh Zucchini Casserole Recipe (2)

Common Questions:

What Can I Substitute The Bread Crumbs With If I Am Gluten Free?

If you are looking to replace the bread crumbs in this recipe with something that is gluten free there are several options available. First, there are gluten free bread crumbs available to purchase (or you can make your own by using the heals or stale gluten free bread). Alternatively we have had great success using panko bread crumbs, ground up Parmesan cheese crisps as well as ground up pork rinds. As with anything when you cooking gluten free check your labels to make sure they don’t contain gluten.

Can I Use Other Vegetables In This Recipe?

You can easily substitute other summer squash (such as yellow squash) in this recipe for the zucchini.

Can I Use Something Other Than Cream Of Celery Soup?

If you are not a fan of cream of celery soup you can also use cream of chicken soup or cream of mushroom soup in this recipe. If you are on a gluten free diet there are “cream of” soups available on the market that are gluten free. You just need to look for them.

You can also use this recipe for Cream Of Anything Soup Mix which can be used in any recipe that calls for canned cream of type soups.

Crock-Pot Fresh Zucchini Casserole Recipe (3)

Special Diets

High Fiber | Low Sugar | Vegetarian

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  • Crock-Pot Upside Down Taco Pie

Crock-Pot Fresh Zucchini Casserole Recipe (4)

Crock-Pot Fresh Zucchini Casserole Recipe

Heidi Kennedy

When you have an abundance of fresh zucchini from your Summer garden make up this tasty side dish casserole recipe. With a creamy sauce and a crunchy topping this vegetable side is sure to be a hit with the entire family!

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Prep Time 15 minutes mins

Cook Time 7 hours hrs

Total Time 7 hours hrs 15 minutes mins

Course Side Dishes

Cuisine American

Servings 6 Servings

Calories 430 kcal

Ingredients

Instructions

  • Add the zucchini, onion, carrots and canned soup to a large mixing bowl and set aside.

  • Stir together the sour cream and the flour in a small mixing bowl and add it to the vegetables, tossing to coat.

  • In another mixing bowl toss the melted butter with the stuffing mix.

  • Evenly spread half of the stuffing mix in to the bottom of a 5 quart or larger slow cooker (or a 3.5 quart casserole slow cooker).

  • Add the sauce coated vegetables evenly on top of the stuffing.

  • Evenly spread the remaining stuffing mixture over the top of the vegetables.

  • Cover and cook on LOW for 7 hours.

Notes

*Not a fan of Cream of Celery soup? Swap out Cream of Chicken soup instead! **You can use all green zucchini squash, all yellow summer squash or a combination of the two.

Nutrition

Calories: 430kcal | Carbohydrates: 50g | Protein: 11g | Fat: 20g | Saturated Fat: 10g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 1g | Cholesterol: 44mg | Sodium: 1028mg | Potassium: 339mg | Fiber: 5g | Sugar: 9g | Vitamin A: 4000IU | Vitamin C: 30.5mg | Calcium: 90mg | Iron: 2.9mg

Tried this recipe?Rate the recipe and then let us know how it was!

Crock-Pot Fresh Zucchini Casserole Recipe (5)

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Crock-Pot Fresh Zucchini Casserole Recipe (2024)

FAQs

Why is my zucchini casserole watery? ›

The zucchini MUST be salted and let to rest for 15 minutes to draw out excess water or your zucchini casserole will be watery.

Can you put a casserole dish in a slow cooker? ›

As long as the dish is oven-safe, it can go into your slow cooker.

Can you put glass in a slow cooker? ›

Instead of buying a separate mini slow cooker, you can place a 2-cup heat-resistant glass measuring cup inside your regular slow cooker! This trick is great for small batches of slow-cooked foods, like dips, toppings, or cooking for one.

How to stop a slow cooker from being watery? ›

Prop the lid up for evaporation.

While your dinner cooks, prop the lid open a bit so that moisture can escape and thicken the stew naturally without extending the cooking time too much. Skewers or chopsticks between the lid and the crock of the slow cooker work well for this.

How to avoid watery zucchini? ›

Once sliced, zucchini slowly releases water, or "sweats", as it sits. Using a tea towel or paper towels, gently pat both sides of your zucchini dry before continuing with the recipe. This method works well for roasted zucchini, grilled zucchini, zucchini boats, and breaded zucchini that's baked or fried.

How do you cook zucchini so it doesn't get mushy? ›

The secret to zucchini with the best flavor and texture is roasting it in a 450°F oven. Roasting zucchini at a high temperature instead of baking or sautéing helps develop browning and a slight char on the outside, which keeps it from getting soggy.

How long can you leave a casserole in a slow cooker? ›

Most appliances will automatically shut off after 20 or so hours on this setting, but you shouldn't leave food in a slow cooker for an extended length of time. The general rule of thumb is that 2-4 hours is the maximum length of time you can leave food in a slow cooker on warm.

Is it cheaper to cook casserole in the oven or slow cooker? ›

Slow cookers typically cost less to run than an oven. They won't necessarily save you money compared with using an induction hob, or even a gas hob. Making exact comparisons is difficult, because there can be lots of variables, such as the type of hob and how you use it.

Can I use a crockpot instead of a slow cooker? ›

A slow cooker and a Crockpot are the same thing, essentially. A slow cooker is an appliance of which there are lots of brands. Crockpot is one brand of slow cooker. Crockpot popularized slow cookers when they launched their version in the 1970s.

What should you not cook in a slow cooker? ›

​11 things you shouldn't put in your slow cooker
  1. Lean meats. ...
  2. Raw meat. ...
  3. Too much liquid. ...
  4. Delicate vegetables. ...
  5. Too much spice. ...
  6. Dairy. ...
  7. Too much booze. ...
  8. Meat that has the skin on.
Oct 12, 2022

Can I use a pyrex dish in a slow cooker? ›

Can you put a Pyrex dish in a slow cooker? Yes, of course. Pyrex was developed to withstand heat and to be shatter-resistant. Even better - there are commercially available slow cooker liners that are disposable after each use.

How to use aluminum foil in a slow cooker? ›

How to Make a Slow Cooker Foil Liner. Line the slow-cooker insert with a foil collar, then fit two large sheets of heavy-duty foil in the slow cooker, perpendicular to one another, with the extra foil hanging over the edges.

How to thicken casserole in a slow cooker? ›

Mix the cornstarch with an equal amount of cold water to make a paste (called "slaking" or "making a slurry"). Whisk this paste into the hot liquid and let it simmer, stirring, for 2 to 3 minutes. The sauce should thicken as it cooks and it is easy to add extra cornfliur if the sauce should be thicker.

Should everything be submerged in a slow cooker? ›

Reduce liquid when using a slow cooker

It should just cover the meat and vegetables. Don't overfill your slow cooker, or it may start leaking out the top, and the food won't cook so well.

What to do if your casserole is too watery? ›

Thicken a meat casserole the most popular way with flour.

Add some flour to your pan after you've browned the meat and before adding any liquid. This way, the flour will soak up the juices and fat in the pan. Add about one teaspoon of flour at a time until you get the right thickness.

How to keep squash casserole from being watery? ›

Salting and sautéing the squash before baking helps to remove excess moisture and prevents the casserole from becoming watery. Cream cheese and sour cream lend the filling richness and tang.

How do you fix a wet casserole? ›

10 Tips To Fix Or Prevent Watery Casseroles
  1. Prep vegetables ahead of time. Solstock/Getty Images. ...
  2. Add a starch. NIKCOA/Shutterstock. ...
  3. Experiment with pasta or grains. Pidjoe/Getty Images. ...
  4. Take the lid off. ...
  5. Drain fat from meat. ...
  6. Choose a dry or low-fat cheese. ...
  7. Sprinkle seeds into your bake. ...
  8. Remove excess liquid.
Oct 29, 2023

Why is my casserole runny? ›

Your vegetables could be to blame

According to Allrecipes, the vegetables you selected are the most common culprit for your watery casserole, due to the high percentage of moisture that some of them contain in their raw form which seeps out as they cook down in your dish.

References

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