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Overhead photo of a baking dish of Spaghetti Squash Casserole
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Spaghetti Squash Casserole

Prep Time40 minutes
Cook Time20 minutes
Total Time1 hour
Course: Main Course
Cuisine: American
Keyword: low carb, vegetarian, vegetarian casserole
Servings: 6 servings
Calories: 376kcal
Author: Lisa Longley

Ingredients

  • 1 medium spaghetti squash (2 to 2 1/2 pounds) cut in half with seeds removed
  • 3 tablespoons olive oil divided
  • 1 teaspoon kosher salt divided
  • 1/8 teaspoon black pepper
  • 1 small yellow onion diced
  • 2 garlic cloves minced
  • 1 jalapeno seeds and ribs removed and diced
  • 1 teaspoon chili powder
  • 1/2 teaspoon smoked paprika
  • 1/2 teaspoon ground cumin
  • 15 ounces black beans drained and rinsed
  • 1 cup frozen corn (no need to thaw it)
  • 15 ounces fire roasted tomatoes drained
  • 1 1/2 cups cheddar cheese shredded

Instructions

  • Preheat the oven to 375 degrees. Prepare a rimmed baking sheet with parchment paper and set aside.
  • Coat the cut sides of the spaghetti squash with 1 tablespoon of olive oil. Sprinkle with 1/2 teaspoon of kosher salt and a dash of black pepper. Place cut side down on the parchment lined baking sheet. Bake the squash for 40 minutes until it is just fork tender. (Read in the post about how to tell when a spaghetti squash is done.) Remove from the oven and flip to cut side up. Allow to cool for 20 minutes.
  • While the squash is roasting, heat 2 tablespoons olive oil in a skillet. Add the onion, garlic, and jalapeno. Season with 1/2 teaspoon kosher salt, a dash of pepper, chili powder, smoked paprika, and ground cumin. Cook until the onion is translucent, about 5 minutes.
    1 small yellow onion, 2 garlic cloves, 1 teaspoon chili powder, 1/2 teaspoon smoked paprika, 1/2 teaspoon ground cumin, 1 jalapeno
  • Once cooled, scrape the squash into a large bowl. Add in the onion and spice mixture, the black beans, frozen corn, roasted tomatoes, and cheese. Stir to combine.
    15 ounces black beans, 15 ounces fire roasted tomatoes, 1 1/2 cups cheddar cheese
  • Spray a 9 by 13 inch baking dish with cooking spray. Add the mixture to the baking dish and cover with foil. Bake for 15 minutes covered, and 5 to 10 additional minutes uncovered. Serve with more cheese, pickled jalapeños, and fresh tomatoes.

Nutrition

Serving: 1cup | Calories: 376kcal | Carbohydrates: 41g | Protein: 16g | Fat: 18g | Saturated Fat: 7g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 7g | Cholesterol: 28mg | Sodium: 912mg | Potassium: 579mg | Fiber: 11g | Sugar: 7g | Vitamin A: 974IU | Vitamin C: 11mg | Calcium: 288mg | Iron: 3mg