White pepper is most commonly used in creams, white sauces, and light-colored dishes. Do not worry if mid-way through cooking, you realize you are out of white pepper. Below is the list of best white pepper substitutes you can use.
White Pepper Substitute
The best substitutes for white pepper are black pepper, green pepper, pink pepper, ground ginger, and ground mustard. 
Adding black pepper to light-colored dishes, that demand white pepper, gives you a similar taste but with the specks. Black pepper has a stronger flavor than white pepper, so you may want to add less of it to maintain the taste of your pasta. Use 1/2 teaspoon of black pepper in place of 1 teaspoon of white pepper for an appealing taste.
Green pepper is a great substitute for white pepper as it is less visible than the black one and retains the presentation of your dish. It is generally available in two forms; pickled and dried. It is milder in taste than white pepper, so add 1 ½ teaspoon of green pepper in place of 1 teaspoon of white pepper.
Light in color, pink pepper is the best fit for dishes that are light in appearance. Add it in the same quantity as white pepper and feel no difference in the taste. 
Pale in color and similar in taste as ground white pepper, ground ginger can easily blend in your recipe and act as a great white pepper substitute.
Ground mustard may give a yellow tinge to your sauces but it serves as a good substitute for white pepper. Its spiciness can smoothly replicate white pepper’s flavor, so you can add it to your recipes and wear the ‘best cook’ crown!
Why are you waiting for white pepper when you can add these substitute spices and still enjoy cooking!