Ingredients

• 1 , 16 ounce
• 2 tablespoons olive oil
• 0.5 cups chopped onion
• 2.5 tablespoons pesto or more to taste
• salt to taste
• freshly ground black pepper to taste
• 2 tablespoons grated Parmesan cheese

Instructions

1. 1 Gather all ingredients.
2. 2 Fill a large pot with lightly salted water and bring to a rolling boil. Stir in pasta and return to a boil. Cook pasta uncovered, stirring occasionally, until tender yet firm to the bite, about 8 to 10 minutes. Drain and transfer into a large bowl.
3. 3 Meanwhile, heat oil in a frying pan over medium-low heat. Add onion; cook and stir until softened, about 3 minutes.
4. 4 Stir in pesto, salt, and pepper until warmed through.
5. 5 Add pesto mixture to hot pasta; stir in grated cheese and toss well to coat.

Nutrition per serving