Add the cucumber, bell pepper, onion, tofu, sunflower seeds, pepperoncini, salt, and pepper to a large mixing bowl. Mix to combine.
1 large large English cucumber, 1 green bell pepper, ¼ medium red onion, ½ pack smoked tofu, 5 tablespoons toasted sunflower seeds, ¼ cup pepperoncini peppers, Sea salt, Black pepper