Mix the almond paste, coffee liqueur and coffee powder until smooth.
Spread 1/2 ts of the mixture on the flat side of a walnut half and
top with another walnut half, forming a sandwich. Repeat with the
remaining almond paste and walnuts.
Line a large baking sheet with wax paper. Dip one end of the
walnut in the melted chocolate and set on the baking sheet.
Repeat with the remaining filled walnuts walnuts and chocolate.
Refrigerate until the chocolate is set, about 30 minutes. Cover
with plastic wrap and store in refrigeration.