When eating 'clean' you don't have to religiously follow the idea of P+C and P+F meals.
here's a meal that I have most days:
160g wholewheat pasta
1 can tomatoes
100g grated cheese
2 slices of WW bread
1 glass of milk
It's all good healthy food and as one of five or six meals a day, really helps to pack on the pounds.
As well as WW bread and pasta, sweet potatoes are great as a carb source when bulking. Eat as many of them as you can possibly manage. Also, don't forget oatmeal.
You shouldn't fixate on eating clean when bulking anyway, particularly PWO. I drink a litre of chocolate milk peri-workout as well as a meat pizza with extra cheese PWO. I've put on 50lbs since June with not much fat gain.
Just remember to train hard and it will all be put to good use.