Spaghetti all’Assassina is a spicy Italian tomato pasta cooked directly in the pan instead of being boiled first. The pasta absorbs hot tomato broth little by little, then catches on the bottom of the pan so the edges become dark, caramelized, and slightly crisp. I make it when I want a tomato pasta that feels more intense than a quick pomodoro, but not creamy, cheesy, or heavy.

This recipe is based on my YouTube video, with a few adjustments since publication to make the proportions easier to reproduce at home. In the video, I cook a lot by eye, adding tomato sauce and broth as the pasta needs it. For the written version, I prefer to give a clear amount of hot tomato liquid because that is the part that makes or breaks the dish.

The mistake to avoid is treating this like regular spaghetti with sauce. The pasta is not boiled separately. It cooks in the pan, almost like a risotto, with hot tomato broth added gradually. What I look for here is a pan that goes from wet and bubbling to thick and sizzling. When the bottom starts to smell toasted, not burned, you scrape, turn, and feed it more liquid.

This is very different from my faster 30-minute spaghetti with tomato sauce, which stays soft, simple, and saucy. It is also not the same as creamy tomato pasta, where the sauce is rounded with cream. This one is sharper, hotter, more roasted, and a little wild in the pan.

Why This Method Works

I make it this way because the spaghetti need time to absorb flavor before they caramelize. If you only throw dry pasta into a thick sauce, the outside gets sticky while the inside stays too firm. If you add too much liquid at once, the pasta boils and you lose the toasted edges.

The balance is simple: hot tomato liquid, a wide pan, steady heat, and patience. The sauce should bubble hard enough to reduce, but not so hard that the chili and garlic burn. You know the pan is ready for more liquid when the sound changes from bubbling to a gentle frying sound and the tomato on the bottom looks darker.

For the garlic, I keep the flavor generous but controlled. Burnt garlic turns bitter fast, especially with chili flakes in olive oil. If you want a deeper look at that step, my guide on mincing garlic without burning it explains the same idea: lower heat at the beginning, then build the flavor without rushing.

Ingredients You Need

Use regular dry spaghetti, not fresh pasta. Fresh pasta cooks too quickly and will not survive this method. The dry spaghetti have enough structure to toast, soften, absorb sauce, and still hold together.

For the tomato, I like crushed tomatoes or diced tomatoes blended smooth. In the video, I used tomatoes I had frozen from September, then blended them into a purée. Canned tomatoes work perfectly here, especially in Canada or the USA when fresh tomatoes are not at their best.

The hot tomato broth is the adjustment I would not skip. It gives the pasta enough moisture to cook evenly while still keeping the pan concentrated. You can make it with water, vegetable broth, or light chicken broth. If you already make stock at home, homemade chicken bouillon cubes are practical for this kind of recipe because you only need a light background flavor, not a heavy stew base.

For the heat, use chili flakes, crushed dried bird’s eye chilies, or Calabrian-style crushed chili if you have it. One tablespoon is spicy. For most people, I would start with 1 to 2 teaspoons. You can always add more at the table, but you cannot remove burned chili from the oil.

Step-by-Step Instructions

Start with the tomato sauce. Blend the tomatoes until mostly smooth. It does not need to be perfectly silky, but you do not want big chunks fighting with the spaghetti later.

Warm olive oil in a saucepan, then add the chopped garlic. Let it cook until it smells sweet and just starts to color around the edges. Do not walk away here. Garlic can go from golden to bitter in a few seconds.

Add the sliced jalapeño if using it, then pour in the blended tomatoes. Add bay leaves, thyme, and a little salt. Let the sauce simmer for about 25 to 30 minutes. It should thicken slightly and smell cooked, not raw or sharp. Remove the herbs.

In a separate small pot, make the hot tomato broth. Combine water or light broth with some of the tomato sauce or tomato purée, then keep it hot beside the stove. This is important. Cold liquid slows down the pasta every time you add it.

Now take a very wide skillet. A 12-inch pan is the minimum for 1 pound of spaghetti, and wider is even better. Add olive oil and chili flakes. Warm them gently until the oil smells spicy and the chili starts to sizzle quietly. Do not let the flakes turn black.

Add the dry spaghetti directly to the pan. Do not break them. Coat them in the chili oil as much as possible. At first, the pasta will feel stiff and awkward. That is normal. Add a few ladles of hot tomato broth and some tomato sauce. The spaghetti will slowly relax as they soften.

Let the pasta cook, reduce, and catch. Do not stir constantly. Move it enough so it cooks evenly, but give the bottom time to toast. At this point, it should look messy and a bit dramatic: red sauce bubbling, spaghetti bending, edges darkening, steam coming up from the pan.

When the liquid reduces and the bottom starts to stick, scrape with a spatula and turn the pasta. Add more hot tomato broth. Repeat this process until the spaghetti are cooked, usually 18 to 22 minutes depending on the brand and the heat.

Taste before serving. The sauce reduces a lot, so salt at the end if needed. If the pasta is still too firm, add another splash of hot liquid and keep going. If it is cooked but too wet, let it fry for another minute or two until the sauce clings tightly.

What Makes This Different From Other Pasta Recipes

This is not the pasta to make when you want soft noodles covered in a gentle sauce. For that, I would go with classic tomato spaghetti or something from my weeknight pasta dinners collection.

It is also not as clean and quick as aglio e olio, even though both recipes use garlic, oil, and chili. Aglio e olio is about gloss and simplicity. This one is about controlled sticking, tomato reduction, and almost burnt edges.

Compared with easy linguine arrabbiata, this version has a more roasted taste because the pasta itself cooks in the tomato mixture. Arrabbiata gives you a spicy sauce. Assassina gives you spicy pasta, toasted sauce, and texture in the same bite.

If you want a broader pasta night idea list, my homemade pasta recipe guide is better for browsing. This recipe is more specific: spicy, tomato-based, pan-cooked, and not creamy.

Health and Nutrition Context

This is a hearty pasta dish built around tomatoes, garlic, olive oil, and chili. It is not a light salad-style meal, but it is also not cream-based or cheese-heavy. The richness comes mostly from olive oil and the concentration of tomato sauce.

For a more balanced plate, I like serving it with something fresh and acidic on the side. A crisp salad helps because the pasta itself is intense, salty, spicy, and roasted. The portion is satisfying, so smaller servings with a vegetable side work well.

Substitutions

Use vegetable broth instead of chicken broth if you want to keep it meatless. Water also works, but broth gives a rounder flavor.

Use passata instead of crushed tomatoes if you want a smoother sauce. If using homemade tomato sauce, something like my fresh tomato sauce works well, but keep it loose enough so the pasta can absorb it.

Skip the jalapeño for a more traditional chili-only version. Use 1 teaspoon chili flakes for mild heat, 2 teaspoons for medium, and 1 tablespoon for a strong spicy version.

Use linguine only if needed, but spaghetti are better. Thin pasta can overcook before the sauce caramelizes, and very thick pasta may need more liquid and time.

Do not add cream. That turns it into another dish, closer to creamy tomato penne or creamy tomato pasta. This version should stay sharp, red, spicy, and slightly smoky from the pan.

FAQ

Can I boil the spaghetti first?

No, not for this recipe. The whole point is that the dry spaghetti cook directly in the tomato liquid and toast in the pan. If you boil them first, you can still make spicy tomato pasta, but you will not get the same texture.

Why did my spaghetti burn before cooking?

The pan was probably too hot, too dry, or too small. Add hot tomato broth earlier and keep the heat at medium to medium-high. You want the sauce to reduce and caramelize, not scorch black.

Why are my spaghetti still hard?

They need more liquid and more time. Add another ladle of hot tomato broth, cover loosely for a minute if needed, then continue cooking uncovered.

Can I make it less spicy?

Yes. Use 1 teaspoon chili flakes and skip the jalapeño. The dish will still have tomato, garlic, and toasted flavor without being too hot.

Can I make this ahead?

It is best served right away. The texture is part of the recipe. Leftovers are still good, but they will be softer after reheating.

What pan should I use?

Use the widest skillet or sauté pan you have. A 12-inch pan works, but a wider pan makes the cooking easier. Avoid a deep narrow pot because the spaghetti will steam instead of caramelize.

What to Serve With It

Because the pasta is spicy and concentrated, I prefer simple sides. Start with fresh tomato bruschetta if you want to stay in the tomato and garlic family, but keep the topping fresh and not too heavy.

For something crisp, a homemade Greek salad works well because the cucumber, tomato, feta, and vinaigrette cut through the heat. A simple green salad with classic lemon vinaigrette also does the job.

If you want bread on the table, garlic bread from the air fryer is practical, especially for catching the spicy tomato oil left on the plate.

For another pasta night, but softer and faster, browse my 30-minute pasta dinners. For a bigger pasta collection, my pasta recipes page keeps the creamy, tomato, baked, and weeknight versions separated.

Spaghetti all’Assassina

Print The Recipe Pin The Recipe

Prep Time 15

Cooking Time 50

Category Main Dish

Cuisine Italian

Portions 4 portions

Calories 520 kcal

Ingredients

1 lb dry spaghetti
3 cups crushed tomatoes or diced tomatoes blended
4 cups hot water light chicken broth, or vegetable broth
3 tbsp tomato paste optional
5 garlic cloves finely chopped
1 jalapeño thinly sliced, optional
1 to 2 tsp chili flakes for medium heat or 1 tbsp for very spicy
4 tbsp olive oil divided
2 bay leaves
1 thyme sprig
Salt to taste

Instructions

Blend the tomatoes until mostly smooth.
Heat 2 tbsp olive oil in a saucepan. Add the garlic and cook until fragrant with light color around the edges.
Add the jalapeño, if using, then add the blended tomatoes, bay leaves, thyme, and a little salt. Simmer for 25 to 30 minutes. Remove the herbs.
In a small pot, combine the hot water or broth with the tomato paste and about 1 cup of the tomato sauce. Keep this tomato broth hot beside the stove.
Heat the remaining 2 tbsp olive oil in a very wide skillet. Add the chili flakes and warm gently until they sizzle lightly.
Add the dry spaghetti directly to the skillet. Do not break them. Coat them in the chili oil.
Add 2 to 3 ladles of hot tomato broth and enough tomato sauce to coat the pasta. Let it bubble and reduce.
When the bottom starts to catch and darken, scrape and turn the spaghetti. Add more hot tomato broth.
Continue adding liquid gradually, scraping, turning, and reducing until the pasta is cooked, about 18 to 22 minutes.
Taste, adjust the salt, and serve immediately while the sauce is thick and clinging to the spaghetti.

Video

Notes

FAQ