For this dessert you will need; 6 tablespoons butter, 4 tablespoons milk, 1 tablespoon vanilla, 1/3 cup peanut butter, 3 1/4 cups powdered sugar, 1/2 cup brown sugar, 1/2 cups cocoa, and 2 cups mini marshmallows.
Step 2: Dump into Pot
Butter an 8'' square pan. Put all ingredients, except marshmallows, into a medium pot.
Step 3: Mix
Cook over low heat for 7-8 minutes, while stirring constantly. Fudge should be smooth and fluffy.
Step 4: Pour into Pan
Pour into square pan.
Step 5: Melt Marshmallows in Pot
Melt marshmallows in small pot over medium heat until melted. Stir constantly.
Step 6: Mix in Marshmallow
Pour marshmallow over fudge, then swirl it in. Be careful not to over mix.
Step 7: Cut and Eat
Refrigerate until hard. Cut into squares and enjoy.