01 -
Boil linguine in generously salted water until just under al dente. Reserve 120 ml of starchy cooking water, then drain linguine and set aside.
02 -
In a medium bowl, combine lemon zest, lemon juice, and olive oil. Add crumbled feta and cracked black pepper, whisking until creamy and mostly smooth. Set aside.
03 -
Heat olive oil in a large skillet over medium heat. Add minced garlic, stirring until fragrant, about 1 minute. Add asparagus pieces, season with salt and pepper, and cook, stirring occasionally, until tender-crisp, approximately 5–7 minutes. Remove asparagus from skillet.
04 -
In the same skillet, melt butter over medium heat. Add heavy cream and bring to a gentle simmer. In a small cup, mix flour and water until smooth slurry forms, then whisk into simmering cream. Cook, stirring frequently, until the sauce thickens, about 10 minutes. Stir in chopped parsley, salt, and black pepper.
05 -
Add cooked linguine to the thickened cream sauce, tossing thoroughly to coat each strand. If needed, loosen with reserved pasta water for a silky consistency.
06 -
Remove skillet from heat. Pour in lemon feta mixture and fold gently until evenly distributed. Carefully add cooked asparagus and combine until just blended.
07 -
Serve the pasta immediately, garnished with additional chopped parsley if desired.