Southwestern Squash Casserole(Calabacitas)

Prep: 10 min Cook: 25 min Serves: 6 Cuisine: Mexican

A vibrant and cheesy casserole featuring tender zucchini, corn, and green chilies, perfect for a flavorful vegetarian main or side dish with southwestern flair.

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Ingredients

  • 4 small zucchini, sliced
  • 1 medium onion, sliced
  • 1 tsp. minced garlic
  • 1 1/2 tbsp. olive oil
  • 1/2 c. sharp cheddar, grated
  • 1/2 c. Monterey Jack, grated
  • 1 1/2 c. white corn
  • 1/2 c. canned mild green chilies, diced

Instructions

  1. Saute the zucchini, onion, and garlic in olive oil until just soft.
  2. Mix together all ingredients and put in an oiled casserole dish.
  3. Bake in a preheated 375-degree oven.
  4. Cook for 20-25 minutes or until the top begins to brown.

Tips & Substitutions

For added flavor, consider using fresh herbs like cilantro or parsley. You can substitute zucchini with yellow squash or even eggplant for a different twist. If you're looking to reduce calories, use low-fat cheese or omit it entirely. To intensify the dish, adding jalapeños can give it an extra kick, complementing the mild green chilies. This dish also works well as a base for a Taco Layer Dip.

Serving Suggestions

This Southwestern Squash Casserole is a delightful side dish that pairs well with grilled meats or as a vegetarian main course alongside a fresh salad. Consider serving it with Tex-Mex Beans And Rice Bake for a complete meal. For a festive touch, garnish with fresh cilantro and serve with tortilla chips to create a vibrant table setting.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in a preheated oven at 350°F (175°C) for about 15-20 minutes, or until heated through. You can also microwave individual portions for about 1-2 minutes, ensuring they are warm all the way through before serving.

Nutrition & Diet Analysis (per serving)

Each serving of Southwestern Squash Casserole(Calabacitas) contains roughly 533 calories, with 24g protein, 13g carbohydrates, and 43g fat. It is an excellent source of protein (48% of the Daily Value) and calcium (45% of the Daily Value), and a good source of vitamin A. Note that it is relatively high in sodium, at 980mg per serving (43% of the Daily Value).

533 kcal 27% DV
Protein Fat Carbs

Macronutrients

Protein 23.9g 48% DV
Total Fat 43.2g 55% DV
Carbs 13.3g 5% DV
Fiber 0.7g 3% DV
Sugar 1.7g 3% DV

Electrolytes

Sodium 980.3mg 43% DV
Potassium 205.5mg 4% DV
Cholesterol 58.8mg 20% DV

Vitamins & Minerals

Vitamin A 170.2mcg 19% DV
Vitamin C 7.3mg 8% DV
Vitamin D 0.4mcg 2% DV
Calcium 587mg 45% DV
Iron 1.4mg 8% DV
Diet fit High-protein Low-carb

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can prepare the casserole in advance and refrigerate it before baking. Just cover it tightly with foil or plastic wrap and store it for up to 24 hours. When ready to bake, remove the cover and add a few extra minutes to the cooking time if baking straight from the fridge.

Is it possible to freeze this casserole?

Absolutely! You can freeze the unbaked casserole for up to 3 months. Wrap it tightly in plastic wrap and then in aluminum foil. When ready to enjoy, thaw it in the fridge overnight before baking it at 375°F (190°C) for the recommended time.

What can I add to make this dish spicier?

To enhance the heat, consider adding diced jalapeños or a sprinkle of cayenne pepper to the mix. You could also top the casserole with a spicy cheese blend or serve it with a side of hot sauce to allow diners to adjust the heat to their liking.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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