Skinny Alfredo

Directions

1. In a large pot of salted boiling water, cook linguine according to package directions until al dente. Set aside ½, cup of pasta water, then drain pasta and set aside.
2. In a large skillet over medium heat, heat olive oil. Add garlic and cook until fragrant, 1 minute. Sprinkle flour over evenly, then stir and cook until the mixture is lightly golden.
3. Very gradually add broth in while whisking, 2 tablespoons at a time, waiting for the mixture to become completely smooth before adding more broth. Bring mixture to a boil, then gradually stream in milk while whisking. Bring to a simmer and cook until sauce is thickened 2 to 3 minutes.
4. Remove from heat and add Parmesan and yogurt, if using. Season with salt, pepper, and a pinch of red pepper flakes.
5. Add pasta and a 1/4 cup of reserved pasta water to the sauce and toss to combine. If the sauce is too thick add more pasta water, a tablespoon at a time, until desired consistency. Garnish with parsley before serving.