Recipe for four waffles:

30g Protein powder
40g Flour
10g Coconut Flour
1 Egg
4g Zero Cal Sweetener of your Choice
4g Baking Powder

Optional:

For crispy waffles add 20 grams of melted butter and replace zero calorie sweetener with 20 grams of sugar.
This will add 50 kcal to each waffle (200 total), but it will make the waffles go from Good to Great.