Total Time
55mins
Prep 30 mins
Cook 25 mins

A great halloween treat.

Ingredients Nutrition

Directions

  1. Heat oven to 350 degrees.
  2. Very lightly grease bottom of 9-inch round baking pan.
  3. Line bottom with parchment or wax paper.
  4. In a heatproof mixing bowl, whisk together melted butter and peanut butter until smooth.
  5. Add brown sugar, eggs and vanilla, whisking until smooth.
  6. Add flour and baking powder.
  7. Stir with spoon until moistened.
  8. Stir in 1 cup chopped chocolate chips and scrape bowl well.
  9. Spoon into prepared pan and bake for 25-30 minutes just until tester inserted in center comes out clean.
  10. Cool 15 minutes in pan.
  11. Run knife around pan edge to loosen.
  12. Turn onto cake plate and remove paper.
  13. Cool 30 minutes before frosting.
  14. For the frosting: In a 4-cup Pyrex measure or heatproof bowl, combine hot melted butter with semi-sweet chips.
  15. Stir continuously until chocolate melts and mixture is smooth. Add 1 cup powdered sugar and 1/4 cup of the chocolate syrup.
  16. Stir until combined. Mixture will thicken and become stiff.
  17. Add remaining 1 cup powdered sugar, 1/4 cup milk and 1/4 cup chocolate syrup.
  18. Stir until smooth.
  19. Allow frosting to stand 2 minutes.
  20. Add remaining 1/4 cup chocolate syrup, adjusting if too stiff.
  21. Frosting should appear smooth and satiny.
  22. Frost top and sides of cake.
  23. Set aside.
  24. For the web decoration: In a small bowl, combine 2/3 cup powdered sugar and 1 tablespoon milk.
  25. Stir until smooth, adding milk until a slightly runny glaze forms.
  26. Spoon into a small decorating bag fitted with a round writing tip.
  27. Work quickly; do not allow fudge frosting to dry.
  28. Starting in the center of cake, using white glaze, pipe circles on top about 1/2 inches apart.
  29. Using a toothpick, lightly drag lines through the frosting, from outer edges of cake to center, about 1 inch apart.
  30. Decorate with spiders and cut into small wedges.
  31. Store at room temperature.

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