Panera Bread® At Home Mac & Cheese. Net Wt 16 oz (1 lb) 453 g. Tender shell pasta perfectly nestled in our signature blend of creamy cheese sauce and tangy vermont white cheddar cheese. All rights reserved. Call: 1.800.274.2526. Find quick & easy meal ideas at www.paneraathome.com. ©2016 Panera Bread.