11.50 oz The banana pepper (also known as the yellow wax pepper or banana chili) is a medium-sized member of the chili pepper family that has a mild, tangy taste. Its flavor is not very hot (1200–2000 Scoville heat unit ). A mature fruit being sweeter than younger ones.will be about 2-3inches (5–8cm) in length and have a curved shape and yellow color similar to a banana. Roand® Sweet Banana Peppers are full flavored and yellow in color.