Prep the Lamb: Season lamb with salt and pepper. Rub with Dijon mustard.
Make the Herb Crust: Mix rosemary, thyme, garlic, and olive oil. Press onto lamb.
Sear and Roast: Sear lamb in a hot pan until browned. Transfer to a 400°F (200°C) oven and roast for 15–20 minutes for medium-rare. Let rest.
Roast the Vegetables: Toss vegetables with oil, salt, pepper, and honey. Roast at 400°F for 30–35 minutes, stirring halfway.
Make Mint Chimichurri: Blend mint, parsley, garlic, vinegar, chili flakes, olive oil, and salt until smooth.
Serve: Slice lamb into chops. Plate with vegetables and drizzle chimichurri on top.