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Republican senators take turns catering Thursday luncheons at the Capitol, usually with home-state food items that highlight some local agrarian or culinary prowess. In 2008, when it came Sen. Richard Lugar's (R-Ind.) turn, the senator's office asked a restaurant, Bloomington's recently opened FARM, to supply something with Indiana flavor.

Thus was born the Lugar Burger, the espresso-chili-rubbed bison burger seen above. The restaurant created it, served it at the Senate luncheon, and still serves it today, occasionally to Sen. Lugar himself when he finds time to stop by.

Not only is it named after one of the Senate's old-school, bipartisan-working members, it was also named Indiana's best burger when the Food Network embarked on its 50 States, 50 Burgers review.

Image credit: @shiratoeplitz