Allow the mixture to cool down to room temperature before placing it in the refrigerator to set. To cut, heat a knife with hot water and slice the peanut butter fudge. This makes the cuts clean.
This Peanut Butter Fudge recipe is keto friendly (less than 1g net carbs per piece), and can also be vegan. Peanut allergies? Swap the peanut butter for almond butter or sunflower seed butter.