Black Pepper Substitutes For 1/2 teapsoon, substitute 1/2 teaspoon ground white pepper or 1/8 teaspoon cayenne pepper. White Pepper Substitute For 1/2 teaspoon, substitute 1/2 teaspoon black pepper. Red Pepper Substitutes In place of the red pepper in your recipe, use a dash of bottled hot pepper sauce or an equal amount of black pepper. More ingredient substitutions Healthy ingredient substitutions Pepper Recipes Shrimp and Crushed Red Pepper Pasta