2 cups brown sugar
2 cups white sugar
3/4 cup milk
2 cups peanut butter
1 jar Marshmallow Creme or Fluff
1 cup walnuts, broken
1 tsp. vanilla

Combine first 3 ingredients and bring to a boil. Boil 3 minutes. Remove from stove and add rest of the ingredients. Stir until blended, then pour in greased 9x13-inch pan. When cool, cut into squares.