Mix the sugar, butter and peanut butter together. Add the vanilla flavor and eggs. Mix everything thoroughly. Mix the flour, baking powder, baking soda and add to the butter mixture. Cut the Snickers into smaller cubes. Shape the dough into biscuits and place chopped Snickers cubes in the middle. Fold the cookies together and shape them into a ball. Place on a baking sheet lined with baking paper and press lightly. Bake at 175 ° C for about 15 minutes.