Bring a pot of salted water to a boil and cook the spaghetti according to package instructions until al dente.

In a pan, heat olive oil over medium heat. Add minced garlic and sauté until fragrant.

Add crushed tomatoes, olives, capers, and red pepper flakes. Simmer for 10 minutes.

Season with salt and pepper to taste.

Drain the pasta and add it to the sauce. Toss to combine.

Serve hot, garnished with chopped parsley.