Step 1

Bring water to a boil in a 6 qt. pot. Season with salt. Add the spaghetti.

Step 2

Meanwhile, heat 3 Tbsp. olive oil in a large saucepan over medium-high heat. Add the onion, a whole chili pepper, a dozen olives, and 1 Tbsp. capers and sauté 3 minutes.

Step 3

Add the tomatoes and cook for around 5 minutes until the sauce thickens.

Step 4

Drain the spaghetti when cooked to al dente and toss quickly in the saucepan. Transfer to a bowl and serve garnished with fresh basil.