1 c sugar
1 c brown sugar
1/2 c milk
3/4 c peanut butter
1/2 T butter
3/4 t vanilla

Mix sugars and milk in a saucepan. Boil.

Add pb. Reduce heat and stir till soft ball stage, maybe 10 minutes.

Beat in butter and vanilla, till thickens.

Turn onto buttered wax paper.