Image by el_en_houston via FlickrLast time I cooked boneless leg of lamb from Costco, I cut it into two pieces, then the pieces into thick slices, coating them with Sweet Mesquite Seasoning, also from Costco. I put half the slices in the oven at 375 degrees and after 20 minutes, I put my slices in. I still managed to overcook all of it -- mine came out medium.
Today, after my son came home from school, I made lamb tacos from my leftovers, slicing the meat really thin, placing a half-dozen pieces on a handmade flour tortilla from Trader Joe's and pouring on Goya Salsa Taquera (hot).
They went into the microwave for exactly 45 seconds (no need to cover them) and I garnished them with a little chopped parsley and onion (I didn't have fresh cilantro) before rolling them up and gobbling them down. With tacos this good, you won't need a tacos truck in your neighborhood (photo).