Dirty Spaghetti | Easy One Pot Dirty Spaghetti Recipe

PUBLISHED June 19, 2026· MODIFIED June 19, 2026 · by the author listed in the recipe card 1575 words. · About 8 minutes to read this article.· This post may contain affiliate links · As an Amazon Associate, I earn from qualifying purchases· Leave a Comment

If you are looking for a bold, comforting pasta dinner that comes together fast and uses simple pantry staples, this Dirty Spaghetti is the recipe to make. Inspired by the one pot, Cajun-style version that has been making the rounds online, this dirty spaghetti recipe combines ground beef, bell peppers, garlic, Cajun seasoning, and spaghetti in one pot for a rich, savory dinner with minimal cleanup.

Why You’ll Love This Viral Dish

Fast. This style of dirty spaghetti is designed to come together in about 30 minutes, making it perfect for weeknights.
Easy. It is a one pot pasta recipe, which means less cleanup and less fuss at dinnertime.
Flavor Packed. Ground beef, tomato paste, Cajun seasoning, onion, bell peppers, and garlic create a bold, savory base with just enough kick.
Family Friendly. You can keep it mild or turn up the heat with hot sauce or extra spice, which makes it easy to adjust for your table.

With all the comfort of spaghetti night and the bold flavor of dirty rice-inspired seasoning, this dish hits that sweet spot between familiar and exciting. It is hearty enough for a full dinner, easy enough for busy evenings, and flavorful enough to earn a spot in your regular meal rotation.

What Is Dirty Spaghetti?

Dirty spaghetti is a one pot pasta dish inspired by the flavor profile of dirty rice. Instead of using rice, the recipe uses spaghetti cooked right in the same pot as seasoned beef, vegetables, and water, which creates a glossy, flavorful sauce as the pasta cooks. The Simply Recipes version specifically highlights ground beef, Cajun seasoning, onions, bell peppers, garlic, spaghetti, and water as the core ingredients, with optional green onions, parsley, or hot sauce for serving.

What makes dirty spaghetti especially appealing is that the noodles cook directly in the seasoned pot, soaking up all the savory flavor from the meat and spices. The result is a dish that feels rich and satisfying without needing a separate sauce pot or a long simmer.

Ingredients You’ll Need

Olive Oil– Used to get the cooking started and help brown the beef evenly. The recipe style you referenced starts with olive oil in the pot before the meat is added.
Ground Beef– This is the hearty base of the recipe. An 80 percent lean ground beef works especially well because it brings flavor while still cooking up nicely in a one pot dish. The referenced recipe uses 1 pound of 80 percent lean ground beef.
Cajun Seasoning– This is what gives dirty spaghetti its signature flavor. The referenced version uses Cajun seasoning in two additions so the dish gets layered seasoning throughout.
Onion– Adds sweetness and savory depth. A white or yellow onion is a great fit here, and the referenced recipe uses about 2 cups chopped.
Bell Peppers– Bell peppers are one of the ingredients that help connect the dish to dirty rice flavor. They add color, freshness, and a mild sweetness that balances the spice. The Simply Recipes version uses two medium peppers.
Garlic– Adds bold flavor and rounds out the Cajun-inspired base. The referenced recipe uses a generous amount of garlic for maximum flavor.
Tomato Paste– Helps create a delicious, rich sauce base for the pasta.
Spaghetti– The pasta that turns this into dirty spaghetti instead of dirty rice. The referenced recipe uses 12 ounces of spaghetti cooked directly in the pot.
Beef Broth– Instead of boiling the pasta separately, this dish uses broth in the pot so the pasta cooks right in the seasoned mixture and helps form the final glossy sauce.
Black Pepper– Adds a little extra warmth and helps round out the seasoning.
Salt– You may need some, or you may not, depending on how salty your Cajun seasoning is. The referenced recipe specifically notes that Cajun seasoning brands vary widely in salt level, so tasting before serving is important.
Green Onions, Parsley, or Hot Sauce– Optional toppings that add freshness and extra flavor. The original recipe specifically recommends green onions and hot sauce as especially good finishing touches.

How To Make Dirty Spaghetti

Cook the Beef. Heat olive oil in a large Dutch oven or heavy pot over medium-high heat. Add the ground beef and cook until browned and crumbly. Sprinkle in part of the Cajun seasoning and cook briefly so the spice blooms in the hot fat.

Cook the Vegetables. Add the onion, bell peppers, and garlic. Cook until the vegetables soften and become fragrant. This step builds the savory backbone of the dish and helps everything feel rich and well seasoned.

Add the Spaghetti and Broth. Break the spaghetti in half if needed so it fits neatly in the pot, then add it along with the broth. Make sure the pasta is submerged as much as possible so it cooks evenly.

Boil and Stir. Bring the pot to a boil. Once boiling, remove the lid and cook, stirring often, until the spaghetti is al dente and the liquid thickens into a glossy sauce. This one pot method is what gives dirty spaghetti its signature texture.

Finish and Serve. Stir in the remaining Cajun seasoning and black pepper. Taste carefully, then add salt only if needed. Top with sliced green onions, chopped parsley, and hot sauce if desired, then serve hot.

Tips And Tricks

Making dirty spaghetti is easy, but a few helpful tips can make it even better:

Taste Before Adding Salt. This is the most important tip for this recipe. Cajun seasonings vary a lot. Some brands are very salty while others are not, so you should always taste the finished dish before adding extra salt.
Stir Often Once the Pasta Boils. Because the spaghetti cooks in one pot with limited liquid, stirring helps prevent sticking and encourages a silky sauce.
Use a Large Heavy Pot. A Dutch oven or large deep skillet gives you enough room for the beef, vegetables, and pasta to cook comfortably.
Adjust the Heat to Your Taste. If you want more spice, add hot sauce or a pinch of cayenne at the end. The referenced recipe also suggests using spicy or smoked sausage as another way to boost the heat and flavor.

Variations

If you love the ingredient profile of this dirty spaghetti recipe, here are a few easy ways to change it up:

Sausage Dirty Spaghetti– Swap the ground beef for spicy or smoked sausage for a bolder Cajun-style version. This is one of the variations suggested in the referenced recipe tips.
Extra Spicy– Add cayenne pepper or hot sauce for more heat. The original recipe notes both as good options for turning up the spice.
Milder– Use a milder Cajun seasoning and skip the hot sauce for a more family-friendly version.
Vegetable Loaded Dirty Spaghetti– Add celery or extra peppers if you want even more dirty rice-inspired flavor.

What To Serve With Dirty Spaghetti

Dirty spaghetti is hearty enough to be a full meal on its own, but it pairs really well with a few simple sides:

Salad– A crisp salad with vinaigrette helps balance the richness of the beef and pasta.
Garlic Bread– Always a good idea with spaghetti, especially if you want to soak up every bit of that glossy sauce.
Roasted Green Beans– A simple vegetable side gives the meal some freshness and color.
Cucumber Salad– Cool, crunchy vegetables are especially nice if you make your spaghetti on the spicy side.

How Long Does It Last?

Leftovers can be stored in an airtight container in the refrigerator for up to 4 days. Reheat on the stovetop or in the microwave with a splash of water to loosen the sauce.

Can You Freeze It?

You can freeze dirty spaghetti, though the pasta texture is usually best fresh or refrigerated. If you do freeze it, store it in airtight containers and reheat with a bit of water to help bring back the saucy texture.

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