Steps
1. Cook the pasta according to package instructions until al dente. Drain and set aside.
2. In a skillet, melt the butter over medium heat. Add the minced garlic and chopped onion, sautéing until the onion is translucent.
3. Pour in the milk and bring to a simmer. Stir in the yogurt until combined and creamy.
4. Add the cooked pasta to the skillet, tossing to coat in the sauce. Season with salt and pepper to taste.
5. Serve hot, garnished with grated Parmesan cheese if desired.