1 c. granulated sugar
1 c. brown sugar
1/2 c. milk
1/2 c. peanut butter
1 c. miniature marshmallows
1 tsp. vanilla

Cook sugars and milk to 240 degrees or soft ball stage. Remove from heat and stir in peanut butter, marshmallows and vanilla. Stir well until all marshmallows are melted. Pour into buttered 8 x 8 inch pan.