Add flaxseed powder to half cup buttermilk and set aside to gel.
Add the flour, salt, baking powder and baking soda to a bowl and mix. Set aside.
To another bowl, add the melted butter, sugar, lemon juice, flaxseed buttermilk mixture, remaining buttermilk
Add the wet ingredients to dry mixture and combine thoroughly.
Fold in the raspberries and lemon zest.
Heat a cast-iron pan. Add a half teaspoon of butter, and add a sccop of the pancake batter. Swirl the raspberry dessert sauce over the pancakes. Cook for 2-3 minutes. When the edges are firm and bubbles start appearing on top, flip and cook for 2 minutes. Remove from the pan and repeat with the remaining batter.
To serve: stack a few pancakes, add a dollop of whipped cream, and raspberries. Drizzle the raspberry dessert sauce and serve immediately.