I am officially a little overwhelmed. So, I went to the butcher shop – ok, let’s be honest I went to Trader Joe’s – and I purchased a leg of lamb (and a small bottle of vanilla extract) for $37. The vanilla was not included in that price. Because, tomorrow, I will be roasting the leg in the oven for an intimate gathering I’m hosting. Why am I overwhelmed? Well, for one, I have never, ever, dealt with a piece…