Garlic - Lamb Pasta with Kale & Mint Pesto

1 lb. lumache or other medium-size shell pasta

3 cups chopped stemmed kale

2 cups fresh mint leaves

3/4 cup olive oil

1 clove garlic

1 lb. ground lamb

1/4 cup crumbled feta

In large pot of salted boiling water, cook pasta until al dente. Drain pasta, reserving 1/2 cup of cooking water. In food processor, puree kale, mint, oil, and garlic; season pesto. In skillet, cook lamb over high heat, stirring often, until browned, about 10 minutes; season. Mix in pasta, pesto, and feta.