I find using a breeding net in the parent tank to work very well. I am time deficient, so I also use Hikari First Bites rather than trying to grow my own food. After awhile the net will get some algae, etc. and the fry wil graze on green water in the net in addition to the food you add. Put the net where there is water movement. That will help reduce fungus. The first spawn frequently is not a high hatch rate, but you will have some fry. They will be fine in the net until they are big enough to live in the parent tank if necessary.
Your peppers will spawn if they are male and female. Harvest the eggs and put them in the net without letting them get dry--keep them wet. Pepper eggs are a little more difficult to harvest because they don't stick too well. I pick them one at a time; lightly swab them off with a bunch of Java moss (which they will get stuck in); or put something under them to catch them when I scrape them off the glass. They will mostly lay the eggs on the glass. After a few days you will see spots darting across the net when you move it. Then you can start to add Liquid Fry or Hikari First Bites. I also put some deteriorating water plant leaves in to make some green water. That way they will always be able to find nutritients. Do not overfeed the powder as it will fungus and cause trouble for the eggs and fry.
As they get older you might use HBH Fry Food, or I like Atison's Betta Starter. I also have some GelTek Ultra Grow. When they are big enough I feed them blackworms which I can buy. Many use microworms. You must culture them and grow them. I just am too time constrained, so I have developed what works for me and is available. You will do the same. Your first try will be successful if you get any fry to survive past the danger periods. You will improve.
There is a pinned topic at the top which describes another method.
Lynz: is she for sure a pepper and not and emerald?