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stuffed shells in a dish with spatula

Vegetarian Stuffed Shells

These Vegetarian Stuffed Shells are the best hearty and crowd-pleasing comfort food you’ll find!
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Course: Main Dishes
Cuisine: Italian
Prep Time: 30 minutes
Cook Time: 45 minutes
Total Time: 1 hour 15 minutes
Servings: 8 servings
Calories: 490kcal
Author: Jennifer Stewart

Ingredients

  • 16 jumbo pasta shells uncooked
  • 1 Tablespoon olive oil
  • ½ cup onion finely diced
  • ½ cup zucchini finely diced
  • ½ cup yellow squash finely diced
  • ½ cup bell pepper finely diced
  • 2 cups spinach roughly chopped
  • Salt and pepper to taste
  • 1 cup ricotta cheese
  • 1 cup shredded mozzarella cheese
  • 1 egg
  • 1 teaspoon Italian seasoning
  • ¼ teaspoon red pepper flakes
  • 1 ½ cups marinara sauce
  • ¼ cup shredded parmesan

Instructions

  • Preheat oven to 350°F
  • Cook pasta shells to al dente according to package instructions. Drain and set aside.
  • While the pasta cooks, heat olive oil in a large skillet over medium heat. Add onion, zucchini, squash and bell pepper to the pan.
  • Cook 3-4 minutes until vegetables begin to soften. Add spinach. Stir until spinach wilts. Remove pan from heat and cool slightly.
  • Meanwhile, in a medium bowl, combine ricotta, mozzarella, egg, Italian seasoning, and red pepper flakes. Add vegetable mixture to cheese mixture and stir until fully combined. 
  • Spread ¾ cup of marinara sauce in the bottom of an 11X7 or 8X8 baking dish.
  • Carefully stuff each shell with 2-3 Tablespoons of vegetable mixture. Place stuffed shells in even rows in the baking dish. Top with remaining sauce. 
  • Cover dish with foil and bake for 35 minutes. Uncover, sprinkle parmesan cheese evenly over the top.
  • Bake, uncovered, for 10 minutes more until cheese is melted and bubbly.
  • Remove from the oven. Let cool slightly. Serve warm!

Notes

  • To keep your shells from falling apart when you stuff them, slightly undercook the shells, just to al dente as they will continue to cook when they go into the oven.
  • For extra smooth melted cheese, shred your own rather than buying the pre-shredded bags of cheese. Most pre-shredded bags of cheese are coated with anti-caking agents that do not melt as well and can throw off the taste.
  • Make your own marinara sauce to really spice it up! This is a fantastic Simple Homemade Marinara recipe.
  • To get the job done quickly with less mess, use a piping bag or Ziploc bag with the tip cut off to fill your shells.
  • Only choose ingredients you like. If you don’t like a certain herb, try a different herb. Replace Ricotta with cream cheese or cottage cheese.
  • Double the recipe and make a second batch to freeze later!

Nutrition

Serving: 2shells | Calories: 490kcal | Carbohydrates: 76g | Protein: 23g | Fat: 11g | Saturated Fat: 4g | Polyunsaturated Fat: 5g | Cholesterol: 43mg | Sodium: 443mg | Fiber: 6g | Sugar: 6g