Step 1

cook pasta according to manufacturers direction till just al dente - see notes

Step 2

meanwhile pour cream into heavy based pan and heat to a simmer

Step 3

add lemon zest and stir through

Step 4

add butter one piece at a time and whisk till melted, then add the next piece

Step 5

continue whisking gently till all of the butter has been added

Step 6

stir in lemon juice and parmesan and mix through the sauce

Step 7

add chives and smoked salmon to the sauce

Step 8

add drained pasta and reserved pasta cooking water

Step 9

cook for a further 2-3 minutes till pasta is thoroughly coated with the sauce

Step 10

grind fresh black pepper over pasta

Step 11

serve and enjoy!