For Brownie Skillet

1. Preheat oven to 350 degrees.
2. Grease a 10 inch skillet with softened butter.
3. To prepare peanut butter, place peanuts in a food processor and turn on high for 4-5 minutes. Mixture should resemble liquid and be smooth.
4. Add sugar and salt and pulse food processor 2-3 times to combine.
5. Pour peanut butter into a bowl or jar and chill in refrigerator until ready to use.
6. Over a double boiler, melt butter and chocolate in a bowl over medium heat until completely melted and smooth.
7. Remove from heat and sift cocoa powder over the melted chocolate mixture.
8. Whisk together until smooth and shiny.
9. Set aside to cool slightly.
10. In the bowl of a stand mixer fitted with the whisk attachment, mix together eggs and sugar until pale and creamy. Beaters should make a ribbon-like trail when you hold the whisk attachment up over the bowl of batter.
11. Add in the melted chocolate mixture and gently fold together using a rubber spatula.
12. Do not over mix.
13. Gently fold in flour.
14. Pour batter into the prepared skillet, using a spatula or the back of a spoon to spread to the edges.
15. Using a tablespoon, dollop dots of peanut butter over top of brownie batter.
16. Use a table knife to gently swirl the peanut butter into the brownie batter.
17. Bake for 20-25 minutes or until the edges have set and center is still slightly under baked.
18. Remove from oven and cool on a wire rack until ready to serve.
19. Serve with ice cream if desired.