01 -
Melt butter in a small pot over medium-low flame. Add flour while whisking and cook about 2 minutes, stirring often so it doesn't brown. Just enough cooking to get rid of that raw flour taste.
02 -
Slowly pour in milk bit by bit while whisking to avoid any lumps forming. Keep stirring and cooking until your sauce gets thick enough to stick to a spoon.
03 -
Take off the heat and mix in the Dijon mustard. Add salt and pepper how you like it.
04 -
Turn on your waffle maker to heat up. Grab a big bowl and mix your flour, baking powder, and salt. Then add in eggs, milk, and melted butter, stirring just until everything comes together.
05 -
Gently stir the diced ham and shredded Gruyère into your batter until they're spread out evenly.
06 -
Spray or butter your waffle maker and pour about ¾ cup batter onto it. Close and let it cook until you get a nice golden color.
07 -
Put your cooked waffles on a baking sheet with parchment or a silicone mat. Top each one with about ⅙ of your sauce, 3-4 slices of ham, and a handful of Gruyère.
08 -
Stick them under the broiler until the cheese melts and your sauce gets hot and bubbly.
09 -
Move each waffle to a plate and put a poached or fried egg on top, cooked how you want it. Sprinkle with chives if you're feeling fancy.