Preheat the oven to 375F
1 cup of room temp. butter
1 -1/4 cup of chocolate chips ( pulse it in food processor until they are chopped into little bits and mix with the butter)
1 cup xylitol
6 tbsp cocoa powder
2 tsp vanilla extract
2 tbsp coconut flour
1/2 tsp salt
Just mix them together and the batter will be a bit lumpy.
Butter the pan inside if it is needed and spread batter into pan.
Sprinkle some walnut or other nut bits on the top.
Bake it for 20 - 30 min on 375F