spray the plant with epsom salts 1 teaspoon dissolved in a spray bottle of warm water (about 4 cups). that gives the pepper plant a boost of magnesium that is required at flowering time to produce fruit. spray them again 10 days later.
This is a good old fashion pasty that brings back fond memories of family holidays spent in Cornwall when I was growing up. In the century it was a staple diet for working men, like Miners & Farm Workers, across Cornwall because of its size & shape,
Vegetable boxes incorporated into small yard. Note the trellis at the back of each bed. This would be very pretty along the back and provide a place to attach vines and fruit branches - like the stone path around the garden