You can use the nut butter of choice here: peanut, almond, cashew, or use a seed butter such as sunflower seed butter.To make this dairy free, use a dairy-free butter like Miyokos or try coconut oil. Miyokos has added salt so I suggest not adding the extra pinch of salt to the recipe.Store the frosting in the refrigerator for several weeks. To spread it easily, let it sit at room temperature for 10 minutes or so.This makes enough frosting for about 8 cupcakes or 1 layer cake.For SCD, use honey only.To make this low carb, substitute 1/4 cup of honey with your favorite equivalent low-carb syrup. And read the comments for another great Keto idea!