Sprout is one of the very rare raw vegan gluten-free restaurant in Japan. Everything is strictly gluten-free so even people with severe allergies can rest assured. They make very beautiful lunch sets that are around ¥1,200. Their "beauty and detox green smoothie" is also very popular (¥580). You can also go there for some coffee and sweets which are just ¥380. This is a must-try place because everything is so beautifully presented and you'll be surprised at how delicious raw food dishes can taste if you aren't familiar with that cuisine.
Cloud Kitchen offers many kinds of salads and mostly western cuisine inspired low carbohydrate dishes. The entire menu is gluten-free. The Cloud Kitchen burgers, which are a combination of lamb chicken and pork meats are said to be really good. Also, what's nice about this place is that you can have the classic Japanese deep-fried comfort foods such as karaage and tonkatsu gluten-free!
If you've dreamt of eating supper fluffy Japanese pancakes but your gluten-free diet was stopping, well now you can fulfil that dream at Hidden Ave. Cakes in Sapporo. They serve soufle pancakes made with brown rice flour instead of wheat flour. They have some pretty original menu items, too. Try the matcha pancake which comes sprinkles with matcha powder and some rich matcha cream. The cafe has a sleek modern interior where you can relax and have a good cup of coffee as well.
petit CACO (プティ カコ)
Petit CACO is a cafe that doesn't use any white sugar, wheat flour or dairy products for its menu. You can also drink excellent organic cafe. The place is a little expensive but it is definitely worth the go if you are health conscious or are on a gluten-free or vegan diet. It has a quiet atmosphere and you'll love spending a relaxing time in good company there. They also serve excellent Japanese curry dishes if you are looking for a proper meal.
Located an 8-minute walk from the JR Sapporo Station.
Omusubikyusan (おむすびきゅうさん )
Omusubikyusan specilizes in onigiri (rice balls). Not everything is strictly gluten-free but they do have some options such as the delicious shake (salmon) onigiri. Onigiri make a cheap, healthy and satisfying lunch. Ask the people at the restaurant for their gluten-free options. You can ask for "guluten furee" which is the Japanese pronunciation for gluten-free.