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    Home » Recipes » Dinner Recipes

    Pesto Pasta Bake with Giant Shells

    Author: Amy Fulwood | Published: Feb 14, 2020 | Modified: Aug 14, 2023

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    This simple pesto pasta bake is a vegetarian main dish which is perfect for feeding a crowd. Giant pasta shells are stuffed with a creamy ricotta and pesto filling then baked with homemade tomato sauce and mozzarella.

    Stuffing shells might sound like a faff but I promise it's worth it 🙌

    Overhead shot of pesto pasta bake in a baking dish on a blue background

    You can't beat that pesto flavour in this pasta dish. Pesto is one of my favourite sauces and I've always got a couple of jars in the cupboard ready for quick dinners.

    And obviously you could make your own homemade pesto (or try this spinach pesto for a tasty alternative) for this recipe but I went for my favourite jarred pesto sauce brand to make it quicker and easier. That was mixed with ricotta and cheddar then stuffed into cooked pasta shells before baking. 

    The whole thing comes out bubbling and delicious and oh so comforting. It also makes at least six portions so you can save the leftovers for lunches or quick dinner because it reheats really well.

    Jump to:
    • Why we love this recipe...
    • Stuffed Pasta Shells Ingredients
    • How to make it
    • Variations
    • Storage
    • FAQs
    • Recipe
    Green baking dish of stuffed shells with pesto and tomato
    Close up of stuffed pasta shells in a baking dish

    Why we love this recipe...

    This baked pasta recipe is the ultimate quick and easy comfort food dish thanks to the filling pasta, creamy ricotta filling and rich tomato sauce with a tiny hint of spice.

    Although it takes a little while to stuff the shells this recipe is actually really easy to make and as long as you're organised it won't take too long to make.

    I kept this recipe pretty simple but you could add any extras you like including extra veggies, different cheeses or even some shredded chicken breast.

    This recipe makes great leftovers and it keeps well in the fridge so it's a great meal prep option.

    Pesto pasta bake with a wooden spoon
    Blue bowl of pesto pasta shells with a gold fork

    Stuffed Pasta Shells Ingredients

    This section is here to provide further tips and ideas for alternative ingredients. The full recipe and instructions are included in the recipe card at the bottom of the post!

    Tomato Sauce: This is just a simple combination of olive oil, garlic, tinned tomatoes, dried oregano and chilli flakes although you could also use your favourite jarred brand if you prefer.

    Conchiglioni: These are giant pasta shells which you can stuff with the cheesy pesto filling.

    Pesto Filling: Mixture of ricotta, cheddar and pesto (store bought or homemade).

    Mozzarella: Melted over the top until browned.

    Overhead shot of stuffed pasta shells with a wooden spoon
    Close up of pesto shells with tomato sauce

    How to make it

    Make the tomato sauce: Heat the olive oil and fry the garlic gently then pour in the tomatoes, oregano, chilli flakes and plenty of seasoning. Simmer for 15 minutes.

    Make the filling: Cook the pasta according to packet instructions then mix together the ricotta, cheddar and pesto in a bowl. Drain and rinse the pasta until cool enough to handle.

    Finish the pasta bake: Fill each shell with a tablespoon of filling and place in a baking dish. Pour over the sauce and top with mozzarella then bake until browned.

    Related: For another comforting pasta dish try out this orzo risotto with mascarpone.

    Overhead shot of pesto pasta shells on a blue background

    Variations

    Add extra veggies like halved cherry tomatoes, spinach or kale by stirring through the sauce before adding to the pasta and baking.

    Make this recipe gluten-free by using your favourite gluten-free pasta.

    If you're not in the mood for stuffing individual shells then you can still make this creamy pesto pasta bake recipe using penne pasta or another short cut. Just mix the cooked pasta with the tomato sauce. Add a quarter of the pasta to the baking dish and then dollop over scoops of the ricotta mixture. Repeat three more times until all of the pasta and ricotta has been added to the dish then finish with the mozzarella and bake according to the recipe.

    Storage

    The leftovers of this recipe keep really well. Keep the leftover pasta in an airtight container in the fridge for up to 3 days. 

    Close up of pesto pasta bake with tomato sauce

    FAQs

    Can I freeze this recipe?

    You totally can freeze this pasta bake! Put any leftovers in an airtight container and keep in the freezer for up to 3 months. 

    What substitutions can be made?

    There are definitely changes you could make to this recipe to suit your tastes or what you have on hand. Red pesto would be tasty instead of green. The type of cheeses you use could also be switched up. You could also add cooked chicken to the pasta filling to make this even more hearty.

    What to serve with this recipe?

    This dish is hearty enough to serve on its own but you could definitely serve it with a simple salad or some garlic bread to make it even more filling.

    Can I add chicken to this pasta bake?

    Absolutely! Shredded grilled chicken thighs would be delicious stirred through the ricotta mixture before stuffing into the shells.

    Can I reheat this pasta bake?

    You can reheat it - I'd recommend microwaving until piping hot.

    Want more? Try these other pasta recipes?

    • Pork Pasta with Dried Mushrooms & Spinach
    • Smoked Salmon Pasta with Asparagus
    • Vodka Pasta Sauce with Sun Dried Tomato
    • Butternut Squash Pasta Sauce
    • Mushroom Stroganoff with Rosemary
    • Turkey Meatballs with Spaghetti
    • Tuna Noodle Casserole
    • Baked Tortellini
    • Miso Pasta with Mushrooms

    Recipe

    Close up of stuffed pasta shells in a baking dish

    Pesto Pasta Bake with Giant Shells

    This simple pesto pasta bake is a vegetarian main dish which is perfect for feeding a crowd. Giant pasta shells are stuffed with a creamy ricotta and pesto filling then baked with homemade tomato sauce and mozzarella.
    5 from 7 votes
    Print Pin Rate
    Course: Main Course
    Cuisine: Italian
    Prep Time: 20 minutes minutes
    Cook Time: 40 minutes minutes
    Total Time: 1 hour hour
    Servings: 6 servings
    Calories: 450kcal
    Author: Amy Fulwood

    Ingredients

    • 1 tablespoon Olive Oil
    • 4 cloves Garlic crushed
    • 2 400g tins Chopped Tomatoes
    • 2 teaspoon Dried Oregano
    • ½ teaspoon Chilli Flakes
    • Salt and Pepper
    • 400 g Conchiglioni
    • 500 g Ricotta
    • 100 g Cheddar grated
    • 100 g Basil Pesto
    • 250 g Mozzarella torn
    UK Measures - US Measures

    Instructions

    • Heat the oven to 200°C/400°F. Rub a baking dish with oil. Bring a pot of salted water to the boil.
    • Heat the olive oil over a medium heat and add the garlic, fry gently for a minute then pour in the tomatoes. Add the oregano, chilli flakes and plenty of salt and pepper. Bring to a simmer and cook for 15 minutes.
    • While the sauce simmers add the pasta to the boiling water and cook according to packet instructions. Mix together the ricotta, cheddar and pesto. Drain the pasta and run under cold water until cool enough to handle.
    • Spread half the tomato sauce in the bottom of the baking dish. Fill each pasta shell with a tablespoon of the cheese mixture and place on top of the sauce one by one. Pour the rest of the sauce over the shells then tear over the mozzarella. Put the baking dish in the oven and cook for 30 minutes. Serve.
    Nutrition Facts
    Pesto Pasta Bake with Giant Shells
    Amount Per Serving
    Calories 450 Calories from Fat 306
    % Daily Value*
    Fat 34g52%
    Saturated Fat 17g85%
    Cholesterol 94mg31%
    Sodium 785mg33%
    Potassium 403mg12%
    Carbohydrates 12g4%
    Fiber 2g8%
    Sugar 5g6%
    Protein 25g50%
    Vitamin A 1372IU27%
    Vitamin C 13mg16%
    Calcium 586mg59%
    Iron 2mg11%
    * Percent Daily Values are based on a 2000 calorie diet.

    Notes

    Nutrition information is an estimate and will vary depending on the exact ingredients used.
    Did you make this recipe?Tag @amycookreport on Instagram and hashtag it #thecookreport!

    Like the look of this recipe? Make sure you pin it for later!

    Pinterest image for pesto pasta bake with text overlay

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    Comments

    1. Sharon says

      February 18, 2020 at 1:28 am

      5 stars
      I love that there is pesto in these cheese stuffed shells, one of my favorites! Great comfort food.

      Reply
    2. Andrea Metlika says

      February 18, 2020 at 12:55 am

      5 stars
      We are fans of pesto too and this pesto pasta bake is perfect for my family.

      Reply
    3. Carrie Robinson says

      February 18, 2020 at 12:38 am

      5 stars
      My family would absolutely love this! Adding this to my weekly dinner plan soon. 🙂

      Reply
    4. Krissy Allori says

      February 18, 2020 at 12:15 am

      5 stars
      This is such a great dish. My family and I loved it. It was even better the day after for leftovers. So good!

      Reply
    5. Taylor Kiser says

      February 17, 2020 at 11:17 pm

      5 stars
      So easy to make! Delicious flavors going on!

      Reply
    5 from 7 votes (2 ratings without comment)

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    Hey, I'm Amy Fulwood!

    Recipe creator and photographer here at TheCookReport.co.uk.

    Over here we’re all about delicious healthy recipes to fit around busy schedules and celebrating the joy that comes from an amazing meal.

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