Boil a large pot of unsalted water + loosen linguine with hands; carefully place in water, stir immediately + boil 3-4 min until al dente; drain + return to pot

Meanwhile, heat 1 tbsp oil in skillet over med-high; pat shrimp dry, then sauté with salt/pep + ½ of seasoning packet, 3-4 min until shrimp is pink, opaque + cooked through; set aside

Heat large skillet over medium + cook butter while stirring until browned, 3-4 min; toss butter with pasta, shrimp, salt/pep + lemon juice

Divide pasta between plates