For the blinis, mix together the buckwheat flour, baking powder ... In a seperate bowl, whisk the egg whites with a pinch of salt until soft peaks form when the whisk is removed.

Directions Preheat oven to 325 degrees. Coat an 18-by-13-inch rimmed baking sheet with cooking spray, line with parchment, and spray the parchment. In a medium bowl, combine sugar, buckwheat flour ...