Crack the egg in to a bowl.
Add in the two kinds of flour, baking powder and salt. Whisk until blended, it will be a bit chunky. Add milk and mix well into forming a smooth batter.
Melt butter and add to the batter and stir.
Heat waffle maker and depending on the size of your waffle maker add about 75 milliliter batter to each griddle.
Let them cook until golden 5-7 minutes depending on your waffle maker.
While your waffles are cooking, assemble your topping.
Cut your cold smoked salmon slices in half
Add the yogurt, mayonnaise and wasabi to a bowl and stir.
Roast the sesame seeds on a hot, dry pan.
Dice the red onion and peppers and wash the spinach leaves.
Cut the waffles in to smaller pieces, add the topping to each piece, starting with the spinach at the bottom, then salmon, peppers and onion. Finish with a dollop of sauce and sprinkle with roasted sesame seeds.