Boil Pasta till cooked, drain and toss with 2 T. butter and some kosher salt.
In a pan, melt the butter and olive oil over medium-low heat.
Add the garlic and cook 1 minute-be careful not to burn the garlic. A
Add the shrimp, salt and the pepper and saute until the shrimp have just turned pink, about 5 minutes. Stir frequently.
Add lemon juice, zest and cook 1 minutes. Remove heat and add the parsley & lemon slices. Serve over the pasta