Southwestern Squash Casserole

Southwestern Squash Casserole – CRAZY good!!! Great side dish for all your Tex-Mex dishes!! Squash, cheddar cheese, onion, green chiles, jalapeños, cumin, salsa, green onions, red onion. Everyone loved this easy side dish recipe. Great for a potluck and cookout.

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This Southwestern Squash Casserole is a new favorite in our house. Squash, onions, peppers, salsa, and cheese. All of our favorite flavors in one dish. YUM! We ate this a couple of days in a row and it was delicious every single time.

How to Make Squash Casserole with Salsa

This casserole is super easy to make. Start with slicing some yellow squash. Combine squash, cheese, onion, green chiles and jalapeños. Sprinkle with flour, cumin and salt. Toss together and spread into a baking dish. Top with salsa and more cheese. Pop the casserole in the oven and bake. Garnish the casserole with chopped red and green onions.

  • I used yellow squash in this dish. This would also be great with half squash, half zucchini.
  • Can I make squash casserole in advance? Sure! You can assemble the casserole ahead of time and refrigerate until ready to bake.
  • My favorite store-bought salsas are Mateo’s and Kylito’s Salsa. I buy both at Walmart.
  • Can use homemade salsa. Here is our favorite recipe: https://www.plainchicken.com/superior-grill-salsa/
  • I used cheddar cheese. This is also delicious with a Mexican cheese blend or pepper jack cheese.
  • Is Southwestern Squash Casserole spicy? This casserole does have a little kick from the jalapeños, and salsa. You can substitute green chiles for the jalapeños and mild salsa if you are worried about the heat.

What to Serve with Squash Casserole

This recipe makes a ton. It is great for a summer cookout. This goes great with the Taco Ranch Chicken I shared earlier this week. It is also great with steak and pork. We’ve made it several times over the last couple of months and it is always a hit! Here are a few of our favorite recipes that go great with this yummy casserole:

Beefy King Ranch Bubble Up

Beefy King Ranch Bubble Up – SO good!!! Ground beef, taco seasoning,  Velveeta cheese, diced tomatoes and green chiles, chicken…

Taco Ranch Burgers

Taco Ranch Burgers – a new favorite at our house. Only 3 ingredients! Ground beef, taco seasoning, and ranch. Top…

spoonful of squash casserole

Southwestern Squash Casserole

Yield: 10 people
Prep Time 15 mins
Cook Time 45 mins
Total Time 1 hr
Southwestern Squash Casserole – CRAZY good!!! Great side dish for all your Tex-Mex dishes!! Squash, cheddar cheese, onion, green chiles, jalapeños, cumin, salsa, green onions, red onion. Everyone loved this easy side dish recipe. Great for a potluck and cookout.

Ingredients:

  • 7 medium yellow squash, sliced
  • cups shredded cheddar cheese, divided
  • 1 medium sweet onion, chopped
  • 1 (4-oz) can diced green chiles, undrained
  • 1 (4-oz) can diced jalapeños, drained
  • ¼ cup flour
  • ½ tsp cumin
  • ½ tsp salt
  • ¾ cup salsa
  • 4 green onions, sliced
  • ¼ cup chopped red onion

Instructions:

  • Preheat oven to 400ºF. Lightly spray a 9×13-inch pan with cooking spray. Set aside.
  • In a large bowl, combine squash, 1 cup cheese, onion, green chiles and jalapeños. Sprinkle with flour, cumin and salt. Toss to combine.
  • Transfer squash mixture to prepared pan.
  • Bake, covered, for 30 to 40 minutes. Remove from oven and top with salsa and remaining 1½ cups cheese.
  • Bake uncovered for an additional 10 to 15 minutes. Top with green and red onions before serving.

Notes:

I used yellow squash in this dish. This would also be great with half squash, half zucchini.
You can assemble the casserole ahead of time and refrigerate until ready to bake.
My favorite store-bought salsas are Mateo’s and Kylito’s Salsa. I buy both at Walmart.
Can use homemade salsa. Here is our favorite recipe: https://www.plainchicken.com/superior-grill-salsa/
I used cheddar cheese. This is also delicious with a Mexican cheese blend or pepper jack cheese.
This casserole does have a little kick from the jalapeños, and salsa. You can substitute green chiles for the jalapeños and mild salsa if you are worried about the heat.

Steph

Remember this recipe

Pin this recipe to your favorite board now to remember it later!

Pin This Recipe
Southwestern Squash Casserole - CRAZY good!!! Great side dish for all your tex-mex dishes!! Squash, cheddar cheese, onion, green chiles, jalapeños, cumin, salsa, green onions, red onion. Everyone loved this easy side dish recipe. Great for a potluck and cookout.

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Comments

    1. I have not made this recipe with spaghetti squash, so I can't say with certainty how it would taste. You can certainly give it a try!

  1. IT was delicious. I made it using another commenters suggestion of adding taco meat. Since our squash we pick is fairly small I was unsure of the quantity, so I just saw how much would fill my dish. I think next time I will sauté onions and garlic and our jalapeño peppers.

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