Garlic Scape Pesto

Ah, the special treats of summer that truly are still seasonal! Seize them when you can, or wait a full year for another taste. I encountered garlic scapes last summer, in my friend Willie's garden. He had us over to dinner, and, after remarkably little slave labour helping to pick the scapes, served us some of his famous handmade fettuccine with garlic scape pesto. He also gave us a giant bag