Berlin Mitte:

Sauerkraut: A truly German restaurant with quite unusual, traditional dishes for breakfast including herring, tafelspitz and others; rustic interior, friendly atmosphere
Price: 6-12€
Website: http://restaurant-sauerkraut.de/en/Frühstück.html
Location: Weinbergsweg 25, 10119 Berlin

House of small wonder: Williamsburg-inspired brunch place, serving french toast, waffles, granola etc.; very nice and familiar atmosphere, jungle-wallpaper and very green interior in general, a bit pricey compared to other places in Berlin
Price: 10-15€
Website: http://www.houseofsmallwonder.de/menu/
Location: Johannisstraße 20, 10117 Berlin

Chipps: Also quite American-style concept with pancakes, french toast, waffles, eggs benny and sandwiches on the menu; subtle interior and the atmosphere seems a bit business-like
Price: 8-12€
Website: http://www.chipps.eu
Location: Jägerstraße 35, 10117 Berlin

Prenzlauer Berg:

Zuckerfee: A small cute cafe, serving etageres with high quality ingredients, pancakes, waffles etc.; cosy atmosphere, dark wooden tables and interior
Price: 8-14€
Website: http://www.zuckerfee-berlin.de
Location: Greifenhagener Straße 15, 10437 Berlin
More info: HERE

Cafe Tous les Jours: Spacious cafe with a range of breakfast combos with big portions; relaxed atmosphere, but nothing special concerning interior
Price: 5-9€
Website: https://www.facebook.com/pages/Café-Tous-les-Jours/164522903575117
Location: Hufelandstraße 16, 10407 Berlin

Kreuzberg:

Kaffee A.horn: Nice cafe located next to the Landwehrkanal serving a range of different breakfast dishes, including yoghurt with fruits and bagels (which I wasn't THE biggest fan of - they taste good, but for those of you who know bagels from the US this might be a bit disappointing), go for the banana bread, though, which is delicious; spacious and light interior
Price: 4-10€
Website: http://www.kaffee-ahorn.de/kaffee/speisen.html
Location: Carl-Herz-Ufer 9, 10961 Berlin

Bastard: My favourite place, I'd say. Delicious breakfast platters with high-quality ingredients and freshly baked bread, yoghurt with fruit, scrambled eggs etc.; very relaxed atmosphere and an interesting interior with concrete walls and a lot of wood
Price: 5-9€
Website: http://www.bastard-berlin.de
Location: Reichenberger Str. 122, 10999 Berlin
More info: HERE





Fette Auster: Pop-up place/event taking place every Sunday in a yard behind the nightclub "Farbfernseher", serving oysters, pancakes, bagels, good coffee, Bloody Mary's (...); atmosphere is a bit alternative - you can sit inside the yard at wooden tables or some other constructs, or leave the yard and sit on grass or benches in a little park.
Price: 4-10€
Website: http://www.fetteauster.de
Location: Skalitzer Straße 114, 10999 Berlin




Markthalle Neun: Huge market hall that is organizing a breakfast market every third Sunday of the month offering all kinds of food that you could imagine, ranging from pulled pork buns over omelettes to sweet focaccia; very vibrant (hipsterish) atmosphere - it can get quite crowded, so make sure to be here early
Price: 3-15€
Website: http://markthalleneun.de/maerkte/breakfast-market
Location: Eisenbahnstraße 42-43, 10997 Berlin
More info: HERE

Neukölln:

Roamers: Another place I truly fell in love with, serving delicious cake, french toast, amazing granola, good coffee for small prices; small location, can get crowded, very cosy and rustic atmosphere
Price: 4-9€
Website: http://roamersberlin.tumblr.com
Location: Pannierstraße 64, 12043 Berlin



Cabslam (Californian Breakfast Slam): Californian and Mexican inspired dishes such as huevos rancheros, pancakes or breakfast burritos; easy-going atmosphere (sometimes too much easy-going), plain though stylish interior with wooden tables and checkered tablecloths
Price: 6-10€ during the week; 9-16€ on weekends;
Website: http://cabslam.com
Location: Innstraße 47, 12045 Berlin

Friedrichshain:

Silo: Australian coffee and brunch place serving avocado sourdough toasts, poached eggs (...) and great coffee; reminds of a lot of London breakfast places with a wooden, simple interior
Price: 8-13€
Website: https://www.facebook.com/silocoffee
Location: Gabriel-Max-Straße 4, 10245 Berlin

Neue Heimat Village Market: A bit like Markthalle Neun, taking place every Sunday and serving also all kinds of breakfast dishes; crowded, relaxed and hipsterish atmosphere
Price: 3-15€
Website: https://www.facebook.com/neueheimatBLN
Location: Revaler Strasse 99, 10245 Berlin


Friedrichshain on weekends is a paradise for all-you-can-eat lovers. Around Boxhagener Platz, "Boxi", and on Simon-Dach-Strasse there are plenty of places that serve a breakfast/brunch buffet until around 4pm.