Add all the remaining ingredients except the walnuts and brandy. Simmer for 5 more minutes while you chop the nuts in a food processor or by hand. Pulse them to a fine crumble and add to the saucepan while it finishes simmering.
1 ½ tablespoons Keto brown sugar substitute, 2 tablespoons orange juice, 1 tablespoon lemon juice, 1 teaspoon star anise seed, 1 teaspoon ginger powder, ½ teaspoon clove powder, ½ teaspoon ground nutmeg, ½ teaspoon cardamom powder, lemon and orange zest, Brady to taste, 1 cup walnuts