Gather cocoa butter, cocoa powder, powdered sugar, milk powder, and vanilla
Melt the cocoa butter gently
Mix in the cocoa powder until smooth
Add powdered sugar and stir well
Add milk powder and mix until fully combined
Add vanilla and blend thoroughly
Refine the mixture until it is smooth and free of graininess
Temper the chocolate
Pour into molds
Tap the molds to remove air bubbles
Let the chocolate set until firm
Remove from molds and store in a cool, dry place