Discover the delightful blend of flavors in our Sweet & Spicy Caramelized Onion Pasta recipe! This dish features sweet, rich caramelized onions paired with a spicy kick from chili oil, all enveloped in al dente pasta. Perfect for any occasion, it’s simple enough for a weeknight dinner yet impressive enough for guests. With fresh basil and Parmesan cheese as finishing touches, this meal is sure to tantalize your taste buds and leave everyone asking for more!
12 oz (340g) spaghetti or fettuccine
3 large onions, thinly sliced
4 tablespoons olive oil (divided)
1 teaspoon sugar
1 teaspoon salt (or to taste)
2 cloves garlic, minced
½ teaspoon red pepper flakes (adjust based on spice preference)
1/4 cup freshly grated Parmesan cheese
Fresh basil leaves for garnish
Salt and pepper to taste
2 tablespoons chili oil (store-bought or homemade)