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4.55 from 101 votes

Veggie Spaghetti Bake

Easy and delicious vegetarian baked spaghetti recipe with mushrooms, bell pepper, and onion.
Prep Time10 minutes
Cook Time30 minutes
Total Time40 minutes
Course: Main Dish
Cuisine: Italian
Keyword: vegetarian baked spaghetti
Servings: 6
Author: Joy Shull

Ingredients

  • 1 small yellow onion diced
  • 8 large garlic cloves minced
  • 16 oz white mushrooms sliced
  • 1 green bell pepper diced
  • 2 tablespoons olive oil
  • ½ teaspoon salt
  • ½ teaspoon pepper
  • 2 teaspoons dried basil
  • 1 teaspoon dried oregano
  • 25 oz pasta sauce
  • 1 ¼ cups grated parmesan cheese
  • 2 cups shredded mozzarella cheese
  • 16 oz spaghetti

Instructions

  • Cook the spaghetti according to package directions to al dente, set aside
  • Combine the onion, garlic, mushrooms, green pepper, olive oil, salt, pepper, basil and oregano in a large skillet.
  • Sautee over medium high heat, stirring frequently for 15-20 minutes, or until the mushrooms cook down and evaporate their liquid
  • Add the pasta sauce to veggie mixture and stir to combine
  • Grease a 9 by 13 baking dish with cooking spray
  • Place the spaghetti on the bottom of the baking dish
  • Top the spaghetti noodles with ½ cup mozzarella cheese and 1 ¼ cups of parmesan cheese
  • Pour the veggie pasta sauce over the top of the spaghetti and mix it up with tongs until well combined
  • Top the spaghetti with the remaining 1 ½ cups of mozzarella cheese sprinkled over the top
  • Bake the spaghetti at 375 degrees for 15-20 minutes, or until the cheese is bubbly and starting to brown on the edges of the dish

Notes

I love adding red pepper flakes for spiciness, if you do not like spicy things, simply omit from the recipe.

Nutrition

Calories: 586kcal | Carbohydrates: 73g | Protein: 29g | Fat: 21g | Saturated Fat: 9g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 7g | Cholesterol: 48mg | Sodium: 1363mg | Potassium: 919mg | Fiber: 6g | Sugar: 9g | Vitamin A: 1027IU | Vitamin C: 28mg | Calcium: 435mg | Iron: 3mg