From Longman Dictionary of Contemporary English... to taste... to tasteif you add salt, spices etc to taste, you add as much as you think makes it taste right – used in instructions in cook books Add salt to taste. → taste
Examples from the Corpus
... to taste• At the barbecue you get to taste some of the smoke you have smelled all day.• Add diced tomatoes and basil leaves and salt and pepper to taste.• Season with salt and pepper to taste.• Stir in the cheese and ground pepper to taste.• Sprinkle with lemon juice, pomegranate syrup, turmeric, salt, pepper to taste and teaspoon cinnamon.• Add the artificial sweetener to taste if required.• The wine steward returned with the open bottle and poured a measure for Whitlock to taste.• Do not expect these wines to taste like champagne. 