High fiber snacks can be a boring substitute that too when you have had a habit of eating guilty pleasure food on a daily basis. The down low with guilty pleasure or junk food is that, even though taken in good quantities because they taste so good, they often leave you insatiate which leads to overeating and eventually gaining unhealthy pounds.
You do not have to give up on taste to switch to an all high fiber snack.

You can use a multigrain bread in your sandwich instead of the regular white one. Multigrain bread is a good source of fiber and contains minimal gluten. The gluten which is there in the white bread in very large quantities is replaced with real fiber present in the multigrain bread. It is naturally heavy in nutrients and keeps you full for longer duration.

Kick the old habit of having plain old corn flakes with milk and replace it with oats and bran flakes. Oats and bran flakes are rich source of soluble fiber which is very good for digestion. Mix the oats and bran flakes with berries. It will definitely increase the Fiber content in your meal. Fancy a lavish pasta served with arrabiata sauce glazed with parmesan cheese? As delicious as it may sound, it has all unhealthy trans fat that will mess up your digestion. Go easy, and replace the regular pasta with wheat pasta or quinoa pasta, it will help you building on the fiber content.
Indulge guilt free by replacing your regular whipped cream loaded cake with carrot cake. It Includes oats and bran flakes in the crust and lace it with the occasional maple syrup and you will not miss that guilty pleasure cake anymore.

Broccoli soup added with cream and a hint of garlic is a great source of high fiber as broccoli is a great source of proteins and soluble fiber. If you are Hungry for a midnight snack, try having peanut butter sandwich. Peanut butter is a great source of fiber and even a greater substitute to your regular table butter. Add cheese and grill it until it melts to form threads and you have a grilled peanut butter sandwich, a savory high fiber snack, that will pamper your taste buds without adding on the unhealthy calories.