Cook the Pasta – Bring a large pot of salted water to a boil. Cook pasta according to package instructions. Drain and set aside.
Sauté Onions & Garlic – Melt butter in a pan over medium heat. Sauté onions and garlic for 4-5 minutes until soft and fragrant.
Blend the Sauce – In a blender, combine cottage cheese, parmesan, milk, salt, pepper, and the sautéed onions and garlic. Blend until smooth.
Mix with Pasta – Let pasta cool for a few minutes before mixing in the sauce. Toss until fully coated. If needed, warm on low heat.
Serve & Enjoy – Top with extra parmesan, fresh black pepper, or red pepper flakes for a kick. Serve immediately.