Homemade Whole Wheat Waffle Mix Recipe at NW Edible: in blender pulse 1.5 cup whole wheat flour, .5 cup thick-cut oats, 1tsp kosher salt, 1 tsp baking soda, 1.5 tsp baking powder, 2 tbl brown sugar. (can store in freezer for up to 3 months) Whisk 1.5 cups plain yogurt, 3 large eggs and 4 tbl melted butter. Add flour mixture and stir till just combined. Let batter rest. Cook in iron. Makes abt 6.