Homemade Tartar Sauce 1/2 cup chopped green onion 1/2 cup chopped dill pickle 1 cup mayonnaise 1/2 teaspoon House Seasoning In a bowl, combine chopped onion, pickle, mayonnaise, and House Seasoning and mix well. House Seasoning: 1 cup salt 1/4 cup black pepper 1/4 cup garlic powder This will keep in a bowl for up to 6 months.