Frontier Co-Op Onion, White Powder Is Never Tested On Animals. Of Flakes. Each Teaspoon Serving Of Frontier Co-Op Onion, White Powder Is Equal To One-Third Of An Onion. These Onion, White Powder Can Be Used To Add Garlic’S Strong, Delicious Flavor To Your Favorite Pizza, Pasta Sauces, Marinades And Dressings.