In a mixing bowl, add the peanut flour, peanut butter, and water, and mix together, until combined and mostly smooth. If the mixture is too thick, slowly add more water until your desired consistency is reached.
Add the salt and sweetener to taste. Transfer into a container or sterilized jar.
Notes
Serving size: 1 level tablespoon (14g/0.5oz).
For a richer peanut butter flavor, use up to 1/2 cup of peanut butter. When made this way, each serving will have 51 calories.
Liquid amount: You may need more, depending on the brand of peanut flour and how thin you prefer your peanut butter.