1: Boil the pasta according to package instructions in salt water.
2: Once boiled, reserve some pasta water, drain the rest, and set aside.
3: In a skillet, heat oil on medium low heat, add garlic, and sauté for 30 seconds or until fragrant.
4: Add onion and mix well.
5: Add jalapeño and red chili flakes.
6: Add tomatoes and season with salt.
7: Add tomato paste along with pasta water, cover, and cook on medium low until the tomatoes are tender.
8: Cook for around 5 minutes uncovered, mixing in between until the sauce thickens.
9: Add basil, taste, and adjust salt according to liking.
10: Add in the boiling pasta, garnish with freshly grated Parmesan cheese and basil, and serve warm.
