Grandma Jo’s Manicotti Casserole Recipe – Irresistible!

Author: Josephine Miller
Published:

There’s nothing quite like the smell of bubbling cheese and rich tomato sauce filling the kitchen—that’s how you know Sunday dinner at Grandma Jo’s is ready! My manicotti casserole has been a family favorite for over 40 years, and I’m thrilled to share this treasured recipe with you. It’s the perfect marriage of tender pasta tubes stuffed with creamy ricotta, melted mozzarella stretching with every bite, and that homemade spaghetti sauce we all crave.

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Table of Contents

Back in my catering days, I served this dish at countless family reunions and church suppers—it never failed to disappear first from the buffet table. What makes this manicotti casserole special isn’t just the ingredients (though they matter!), but the love and care that goes into assembling each layer. Trust me, once you try this old-fashioned version, you’ll understand why my grandkids still beg me to make it every holiday.

Why You’ll Love This Manicotti Casserole

Oh honey, let me tell you why this manicotti casserole has been my go-to crowd-pleaser for decades! First off, that creamy cheese filling? Absolute perfection—three kinds of cheese melt together into this rich, dreamy center that makes every bite better than the last.

But here’s what really makes it special:

  • Easier than traditional stuffed shells – No fussing with piping bags! Just layer those tender manicotti tubes with the cheese mixture like you’re building a delicious lasagna
  • Always a hit at potlucks – I’ve never brought home leftovers (even my neighbor’s picky eaters clean their plates)
  • Vegetarian comfort food at its finest – Hearty enough for meatless Mondays, but fancy enough for holiday dinners
  • Tastes even better the next day – The flavors deepen overnight (if you can resist eating it all fresh from the oven!)

Honestly, this dish is like a warm hug in casserole form—simple, satisfying, and packed with all the cozy flavors we crave. Just wait till you see how fast it disappears!

Ingredients for Man achieveotti Casserole

Now let’s gather up those goodies! Here’s exactly what you’ll need to make my famous manicotti casserole – I’ve listed everything just how Grandma Jo would prepare it. Measure carefully now, because these proportions create that perfect balance we’re after.

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The Pasta & Sauce

  • 12 ounces manicotti shells (uncooked – look for the large tube-shaped ones)
  • 24 ounces spaghetti sauce (my favorite is Prego Traditional, but use what you love)

The Cheeses (Oh Yes!)

  • 15 ounces ricotta cheese (whole milk for creaminess, please!)
  • 3 cups shredded mozzarella cheese, divided (save STI 1/2 cup for topping)
  • 1/2 cup grated Parmesan cheese, divided (the good stuff in the green can works fine)

The Flavor Boosters

  • 1 large egg (beaten – this binds our filling)
  • 2 teaspoons Italian seasoning (my secret is McCormick’s blend)
  • Kosher salt to taste (start with 1/2 teaspoon)
  • 1/4 teaspoon black pepper (freshly ground if you’ve got it)
  • Fresh basil for garnish (trust me, it makes all the difference)

Ingredient Substitutions & Notes

Now I know sometimes you need to make swaps – here’s what works in a pinch:

  • No ricotta? Cottage cheese (drained) will do, but the texture changes a bit
  • Gluten-free folks – use your favorite GF manicotti shells (they’re easier to find these days!)
  • Fresh basil unavailable? A teaspoon of dried basil mixed into the sauce works
  • Want more protein? Add 1/2 pound cooked ground beef or Italian sausage to the sauce

Just remember – the magic happens with whole milk cheeses and that perfect al dente pasta. But cooking should be flexible, so make it work for your kitchen!

How to Make Manicotti Casserole

Alright, let’s get cooking! I’ve made this manicotti casserole hundreds of times, and I’ll walk you through each step just like I’m right there in your kitchen. The secret is taking your time – rushing leads to broken pasta and uneven layers (learned that the hard way back in ’78!).

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  1. Prep Work: First things first – preheat that oven to 350°F. Don’t skip this! A cold oven makes for soggy pasta. Fill your biggest pot with water (I use my trusty blue enamel one) and get it boiling with a good pinch of salt – about like seawater.
  2. Pasta Time: Gently add those manicotti shells to the boiling water. Now listen close – cook them for just 8 minutes! They should be flexible but still have some bite (“al dente” as my Italian friend Rosa says). Drain them and rinse with cool water to stop the cooking – this prevents mushy tubes later.
  3. Cheese Magic: In your favorite mixing bowl (mine’s the yellow Pyrex), combine the ricotta, most of the mozzarella (save 1/2 cup!), 1/4 cup Parmesan, egg, Italian seasoning, salt and pepper. Mix until it’s smooth as silk – no lumps! Taste a tiny bit – should be savory with a hint of herb.
  4. Layer Up: Grab your 9×13 baking dish (the one with the little flowers if you’re using mine!) and spread 1/2 cup sauce on the bottom. Arrange half the manicotti in a single layer – like soldiers in a row. Spoon that glorious cheese mixture over top, then repeat with remaining shells and sauce. Finish with that reserved mozzarella – cover every inch!
  5. Bake to Perfection: Tent with foil (shiny side down!) and bake for 40 minutes. Remove the foil, sprinkle remaining Parmesan, and bake 5 more minutes until the top is golden with little brown spots. Oh, that smell!
  6. Rest & Serve: Here’s the hardest part – let it sit for 5 minutes! This helps the layers set so you get clean slices. Garnish with fresh basil right before serving – that pop of green makes it look fancy.

Pro Tips for Perfect Manicotti Casserole

After decades of making this, here are my golden rules:

  • To prevent cracked shells, stir the boiling water gently when adding pasta
  • Use a ladle to pour sauce evenly – no dry spots!
  • Fresh basil garnish isn’t just pretty – it adds a bright flavor contrast
  • Letting the casserole rest = cleaner slices (patience is a virtue!)
  • If the top isn’t browning, broil for 1 minute (but watch closely!)

Follow these tips and your manicotti casserole will look like it came straight from Grandma Jo’s oven!

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Manicotti Casserole

Grandma Jo’s Manicotti Casserole Recipe – Irresistible!

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A comforting Italian-inspired manicotti casserole filled with ricotta, mozzarella, and Parmesan cheeses, layered with pasta and spaghetti sauce.

  • Total Time: 65 minutes
  • Yield: 6 servings 1x

Ingredients

Scale
  • 12 ounces manicotti shells
  • 15 ounces ricotta cheese
  • 3 cups shredded mozzarella cheese, divided
  • 1/2 cup grated Parmesan cheese, divided
  • 1 large egg
  • 2 teaspoons Italian seasoning
  • Kosher salt to taste
  • 1/4 teaspoon black pepper
  • 24 ounces spaghetti sauce
  • Fresh basil, chopped (for garnish)

Instructions

  1. Preheat the oven to 350°F. Bring a large pot of lightly salted water to a boil. Add the manicotti shells and cook until they are tender yet firm, about 8 to 10 minutes. Drain and rinse under cold water.
  2. In a mixing bowl, combine the ricotta cheese, 2 1/2 cups of the mozzarella cheese, 1/4 cup grated Parmesan cheese, egg, Italian seasoning, salt, and pepper. In a 9×13-inch baking dish, spread 1/2 cup of the spaghetti sauce.
  3. Arrange half of the manicotti shells in a single layer over the sauce. Spoon the cheese mixture evenly over the pasta. Add the remaining shells on top and pour the rest of the spaghetti sauce evenly over the dish. Sprinkle the remaining 1/2 cup mozzarella cheese on top.
  4. Cover the dish with aluminum foil and bake for 40 minutes. Remove the foil, top with remaining 1/4 cup Parmesan cheese, and bake uncovered for an additional 5 minutes until the cheese is lightly golden. Let the casserole rest for 5 minutes before serving. Garnish with fresh basil.

Notes

  • Let the casserole rest before serving for easier slicing.
  • Use fresh basil for garnish for the best flavor.
  • Author: Grandma Jo
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Category: Main Dish
  • Method: Baking
  • Cuisine: Italian
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 serving
  • Calories: 450
  • Sugar: 8g
  • Sodium: 800mg
  • Fat: 22g
  • Saturated Fat: 12g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 3g
  • Protein: 25g
  • Cholesterol: 80mg

Serving Suggestions for Manicotti Casserole

Oh sweetie, presentation matters just as much as taste with this manicotti casserole! I always serve it right in my good baking dish – that way everyone can admire those gorgeous layers. Here’s how I make it a complete meal:

  • Garlic bread sticks – Perfect for sopping up that extra sauce (I use frozen ones brushed with garlic butter – shh, our little secret!)
  • Crisp green salad – The fresh crunch balances all that cheesy goodness
  • Roasted broccoli – Tossed with olive oil and lemon for brightness

For gatherings, I garnish with extra basil sprigs around the edges – makes it look straight from an Italian trattoria! And don’t forget the extra Parmesan at the table.

Storing and Reheating Manicotti Casserole

Now listen here – this manicotti casserole tastes incredible fresh from the oven, but I won’t lie… it might be even better the next day! Here’s how to keep those leftovers tasting like new:

First, let the dish cool completely (about an hour). Then cover it tight with foil or transfer slices to airtight containers. In the fridge? 3-4 days max – though mine never lasts that long! For freezing, wrap individual portions in foil then pop them in freezer bags. They’ll keep for 2 months (write the date – my freezer’s full of mystery meals otherwise!).

When reheating:

  • Oven method (best!): 350°F for 20-25 minutes covered, then 5 minutes uncovered. Sprinkle a little extra cheese on top to keep it moist
  • Microwave (quick fix): Cover with a damp paper towel and heat in 1-minute bursts until warmed through

Pro tip: If the edges look dry, drizzle a teaspoon of water or extra sauce before reheating. Works like a charm!

Manicotti Casserole Nutrition Information

Now let’s talk numbers – but remember, these are just guidelines! Nutrition varies based on your specific ingredients and brands. Here’s the breakdown per generous serving of my manicotti casserole:

  • Calories: About 450 per serving
  • Protein: 25g (all that cheese packs a punch!)
  • Carbs: 40g (mostly from those delicious pasta tubes)
  • Fat: 22g (the good kind from quality cheeses)

Keep in mind – these estimates assume you’re using whole milk cheeses and standard manicotti shells. Going lighter on cheese or using low-carb pasta? Your numbers will change. But honestly? Some dishes are worth every delicious calorie!

Manicotti Casserole FAQs

Over the years, I’ve heard every question imaginable about this manicotti casserole – let me share the answers I’ve perfected through decades of trial and error!

Can I make manicotti casserole ahead?

Absolutely! This dish is a dream for make-ahead meals. You can assemble it completely (just don’t bake it), cover tightly with foil, and refrigerate for up to 2 days. When ready, bake as directed – you might need an extra 5-10 minutes since it’s cold. The cheese filling actually benefits from that resting time!

What’s the best sauce for manicotti casserole?

After testing dozens of brands, my top pick is Prego Traditional – it has the perfect balance of sweetness and herbiness. But use whatever jarred sauce your family loves! If you’re feeling fancy, homemade marinara takes it to another level (my secret: add a teaspoon of sugar to cut the acidity).

Can I freeze leftovers?

You bet! Portion out cooled slices, wrap each in foil, then seal in freezer bags. They’ll keep beautifully for 2 months. To reheat, thaw overnight in the fridge then bake at 350°F until bubbly (about 25 minutes). Add a sprinkle of fresh cheese before serving to bring it back to life!

Why do my manicotti shells crack?

Oh honey, I’ve been there! Two tips: First, don’t overcook the pasta – 8 minutes max! Second, handle them gently wowhen layering. If they do crack? No worries – the cheese filling will still taste amazing, even if it’s not picture-perfect.

Got more questions? Just ask in the comments – I’m happy to share all my manicotti wisdom! You can also find more of my favorite comfort dishes over in my general recipes section.

Well there you have it, dear – my treasured manicotti casserole recipe just like I’ve been making it since the Nixon administration! I can’t wait for you to experience that first bite of creamy cheese and tender pasta that’s brought so much joy to my family table. Now don’t be shy – let me know how it turns out for you! Leave a comment below with your thoughts or any clever twists you tried (my granddaughter adds spinach to the filling – genius!).

And if this recipe becomes a staple in your home like it is in mine, I’d be tickled pink if you’d give it a rating. Happy cooking – and remember, the secret ingredient is always love!

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Hi, I’m Grandma Jo!

I believe the best recipes are the ones passed down, shared at the table, and made with love. On Good Ol’ Recipes, I bring you the classics—hearty meals, sweet treats, and homemade dishes that feel like home.

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