Put all ingredients, except the walnuts, in your food processor and mix well. Add chopped walnuts and pulse once or twice.
Grease a muffin pan. Divide the composition in each muffin cup evenly.
Preheat oven at 180C/375F. Let the brownies bake for 30 minutes.
Meanwhile: prepare the pears:
In a pot, add the pears and enough red wine to cover them.
Add the anise stars, cinnamon sticks, and vanilla bean.
Once simmering, add the sugar. Stir well and cook for 20 minutes.
Take out the pears, cut the bottom part and place them on the brownies.
Sprinkle with nuts and pour over some wine mixture.