3 Spaghetti Squash Casseroles With Only 4 Ingredients Each!

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These three easy casseroles are made with only 4 whole food ingredients! Perfect for an easy meal as is, or check out the notes for a few ideas to jazz them up with a few extra ingredients. Jump directly to the written recipes using the links below, or watch the YouTube video to see how to make them!

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Italian Spaghetti Squash Casserole

Italian casserole in a glass dish. The top is a layer of tomato sauce and vegan parmesean.

Makes 2 to 4 servings

Ingredients

  • 3 cups cooked spaghetti squash
  • 15 ounce can no salt added tomato sauce
  • 15 ounce can white beans (great northern or cannellini), drained and rinsed
  • 1 tablespoon (or to taste) italian seasoning blend

Directions

  1. Preheat oven to 350 degrees Fahrenheit.
  2. Spread the spaghetti squash in an even layer on the bottom of an 8 by 12 inch casserole dish. Feel free to season with a salt-substitute or salt and pepper to taste.
  3. Spread the beans on top of the squash.
  4. Mix together the tomato sauce and spices, then pour evenly over the top of the casserole.
  5. Bake for 30 minutes or until everything is heated through and the edges are bubbling.

Notes:

If you wanted to add a few extra ingredients here are some ideas:

  • Add other spices to the tomato sauce such as dried onion flakes, granulated garlic, and red pepper flakes.
  • Add a layer of spinach, kale, or any other veggies.
  • Top the casserole with your favorite vegan parmesean recipe or some fresh herbs.
  • Serve with your favorite whole grain or bean pasta, or feel free to swap out the spaghetti squash completely for pasta.

Mexican Spaghetti Squash Casserole

Mexican casserole in a glass dish. The top is a layer of cheesy sauce and slice black olives.

Makes 2 to 4 servings

Ingredients

  • 3 cups cooked spaghetti squash
  • 1 cup salsa
  • 15 ounce can black or pinto beans, drained and rinsed
  • 1 cup prepared cheesy sauce

Directions

  1. Preheat oven to 350 degrees Fahrenheit.
  2. Spread the spaghetti squash in an even layer on the bottom of an 8 by 12 inch casserole dish. Feel free to season with a salt-substitute or salt and pepper to taste.
  3. Add the salsa over the squash in an even layer.
  4. Add the beans in an even layer.
  5. Spread the cheesy sauce evenly on top.
  6. Bake for 30 minutes or until everything is heated through and the edges are bubbling.

Notes:

If you wanted to add a few extra ingredients here are some ideas:

  • Top with sliced black olives prior to baking.
  • Serve with fresh herbs, guacamole, or a few jalapeƱo slices.
  • Serve with your favorite whole grain such as brown rice, or swap the spaghetti squash completely.

Curry Spaghetti Squash Casserole

Curry casserole in a glass dish. The top is a layer of crushed tomatoes and chopped fresh parsley.

Makes 2 to 4 servings

Ingredients

  • 3 cups cooked spaghetti squash
  • 15 ounce can garbanzo beans, drained and rinsed
  • 15 ounce can crushed tomatoes
  • 1 or 2 teaspoons curry powder (or to taste)

Directions

  1. Preheat oven to 350 degrees Fahrenheit.
  2. Spread the spaghetti squash in an even layer on the bottom of an 8 by 12 inch casserole dish. Feel free to season with a salt-substitute or salt and pepper to taste.
  3. Add the beans in an even layer on top of the squash.
  4. Combine the tomatoes and spices and then pour evenly over the top of the casserole.
  5. Bake for 30 minutes or until everything is heated through and the edges are bubbling.

Notes:

If you wanted to add a few extra ingredients here are some ideas:

  • Add other spices to the tomatoes such as granulated garlic, garam masala, or some freshly grated ginger.
  • Add a layer of spinach, kale, or any other veggies.
  • Top with some chopped fresh parsley or cilantro.
  • Serve with your favorite whole grain such as brown rice, or swap the spaghetti squash completely.