Step 1: Preheat oven to 325°F. Mix both types of chocolate chips and melt them in a double boiler over low heat.
Step 2: Remove from heat and add the sugar, vanilla and salt. Stir well and add one egg at a time.
Step 3: Add the flour little by little and finally the peanuts.
Step 4: Place in a baking pan lined with baking paper and bake for 30 minutes or until a toothpick inserted comes out clean.
Step 5: Let cool completely before cutting.