Open the pepper and run your knife along the inside to remove the core and seeds.
If you are referring to black pepper, a "piece" is called a peppercorn , which is the dried fruit of the plant. pepper
Slice straight down each of the four sides, avoiding the seed-filled center. Discard the remaining core and stem. Slice off the top and pull out the stem/seeds. Slice the pepper crosswise into circles. Culinary Terminology Open the pepper and run your knife along
If you meant a specific recipe, here are common dishes featuring pepper "pieces": Discard the remaining core and stem
Flatten the "plank" and cut into long strips (julienne) or turn and cut into cubes (dice). Hold the pepper by the stem.
If you are looking for how to break down a bell pepper into pieces for cooking, there are a few standard methods depending on the shape you need: The "Plank" Method (Best for strips or dicing): Slice off the top and bottom of the pepper. Stand it upright and make one vertical slice down the side.
The very top "hat" part of a chili pepper that connects to the stem is called the calyx . Popular "Pepper" Dishes