Burgers€€bahnhofsviertelMon-Sat 11:30-23:00; Sun 11:30-22:00
Der Fette Bulle grills Frankfurt's most argued-about burgers on Kaiserstraße, with hand-cut fries and vegan patties holding their own since 2013.
Order: The cheeseburger with chilli cheese fries; the falafel burger for the meat-free
Tip: A second branch on Oeder Weg serves the Nordend; the Kaiserstraße original is louder and closer to the station crowds.
Modern European€€altstadtMon-Fri 12:00-14:30; Mon-Sat 17:00-00:00
Margarete runs a Bauhaus-era dining hall on Braubachstraße in Frankfurt's Altstadt, cooking seasonal German plates with a strong vegan track.
Order: The weekday lunch menu, one of the Altstadt's honest bargains
Tip: The room sits inside a listed 1920s ensemble near the Römer; evening bistro service runs to midnight, late for this quarter.
Japanese sushi€€€westendMon-Fri 12:00-16:00 and 18:00-23:00; Sat-Sun 12:00-23:00
Moriki serves sushi and pan-Asian plates at the foot of the Deutsche Bank towers on Taunusanlage, Frankfurt's banking-lunch canteen of choice.
Order: The lunch sushi sets; bankers clear them out by 13:00
Tip: Book for weekday lunch or eat at the bar; the terrace facing the Taunusanlage park is the calmest seat in the district.
Modern European€€€sachsenhausenTue-Sun lunch until 14:00, dinner from 18:00; closed Mon
Emma Metzler cooks Anton de Bruyn's neo-bistro menu inside the Museum Angewandte Kunst on Frankfurt's Schaumainkai, terrace open to Metzler Park.
Order: The nose-to-tail lunch plates, then a cream puff with Due Mani coffee
Tip: Afternoons between services bring homemade cakes and cream puffs; combine with the museum, the terrace needs no ticket.
Modern European€€€altstadtMon-Fri 11:30-22:00; closed Sat-Sun and holidays
Medici cooks Michelin Guide listed modern European plates on Weißadlergasse near the Goethe House, Frankfurt's steadiest business-lunch table.
Order: The business lunch, €29.50 for two courses, €34.50 for three
Tip: It closes weekends with the banking crowd; book lunch by 12:00 or take the quieter small-menu window from 14:30.
German€€€sachsenhausenSun-Thu 18:00-00:00; Fri-Sat 18:00-01:00
Franziska rereads German home cooking on Hainer Weg in Frankfurt's Sachsenhausen, a Michelin Guide listed dining room open all seven nights.
Order: The vintage German classics, rebuilt plate by plate from family recipes
Tip: One of the few polished rooms serving Sunday night; book via SevenRooms and ask for the courtyard side in summer.