My pepper plants look extremely healthy except that the fruits are splitting and showing the seeds inside. Size about average tomato.
Capsicum Fruit Splitting
Certified GKH Gardening Expert
Uneven watering or temperatures are normally the culprit, but some varieties are more prone to splitting than others. Peppers suffer from many of the same things as tomatoes, so this article will help: https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-cracking.htm