Here’s the one for cacao powder:
4 ounces (112g) cacao butter
1/2 cup (40g) unsweetened cacao powder
1/3 cup (50g) powdered erythritol or Swerve (I use Swerve)
1 teaspoon vanilla extract or 1/2 teaspoon vanilla powder
Pinch salt
Few drops liquid Stevia (optional)
Melt the cacao butter in a double boiler (over medium heat). Remove from heat. Stir in other ingredients. I you want it sweeter, add the Stevia. Poor into molds and let harden at room temp, or in the fridge.
Keep in airtight container or refrigerate. Says “up to 3 months”, but I’m not sure what that means (both not in fridge and in fridge?).
This makes “Dark chocolate”. I’d try it once, and if it’s too dark, back off on the cacao powder.
The recipe for white chocolate is similar, but you use coconut milk powder instead of the cacao powder. My kids like it better with Stevia.
As a test, I made these this morning. I have not tried them (still cooling), but they look awfully dark. You might want to start at 2/3 the chocolate.