Cheat-Day Penne

Step 1 -In a large pot of salted, boiling water, add the penne and cook, while stirring occasionally, until al dente, according to the package directions.

Step 2 -Reserve 2 cups of the pasta water.

Step 3 -Drain the pasta.

Step 4 -In a large skillet over medium heat, melt the butter.

Step 5 -Add the asparagus and the shallots to the hot butter and cook, while stirring occasionally, until slightly softened, about 1 minute.

Step 6 -Add the garlic, 1/2 of the lemon zest, the salt, and the black pepper to the asparagus mixture and cook, while stirring occasionally, until the asparagus is bright green and tender and the shallots are lightly caramelized, about 5 minutes.

Step 7 -Transfer the asparagus mixture from the heat.

Step 8 -Add the pasta, the yogurt, the feta, 2 tablespoons of the dill, and the remaining lemon zest and stir to combine.

Step 9 -Add the reserved pasta water to the asparagus mixture, 1-2 tablespoons at a time, and stir to combine until the sauce reaches your desired consistency. You may not need all of the reserved pasta water.

Step 10 -Season the asparagus mixture with the salt and the black pepper.

Step 11 -Top the pasta mixture with the walnuts and the remaining dill.

Step 12 -Serve.