Prime rib is the breakfast of champions, the lunch of kings, the dinner of industrial barons, and the dessert of T. rexes. Enjoy high-quality cuts regardless of social or philosophical status with today's Groupon: for $20, you get $40 worth of prime rib and fish at dinner at Prime Rib Steakhouse.

Prime Rib Steakhouse's team of gourmands crafts a menu brimming with elegant American fare. All entrees begin with a salad of mixed greens, chopped eggs, cherry tomatoes, and croutons, tossed in a fresh herb vinaigrette by way of tableside trampoline. Guests who order a USDA prime rib dinner ($29–$46) can observe servers as they slice up the cuts of their choice on stainless steel serving carts, which also bear hearty helpings of mashed potatoes with brown gravy and Yorkshire pudding. Herbivores can devour the chef's special vegetarian selection ($26), and seafood lovers nosh on the fish of the day (market price) accompanied by locally farmed produce.

Red walls, white tablecloths, and black chairs set a modern tone to the dining room, with large picture windows that allow flying cows to gaze in suspiciously. Though not included in this deal, diners can pair the exquisitely prepped eats with cocktails ($12), martinis ($10), or selections from an extensive wine list.