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Home » Finnish recipes

Finnish Mustard-Kotisinappi

Published: Mar 10, 2024 · by Cecilia Hoikka · Affiliate links are marked with an *asterisk

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Kotisinappi is an absolute favorite of Finnish mustards. You need to try it because it is made of such simple ingredients and ready in just 10 minutes. Allow it to mellow for a day before serving.

This is perfect for serving at the Christmas table on midsummer, but we love to eat it as an everyday condiment on sandwiches, sauces, salad dressing, burgers, and hot dogs.

Mustard in a blue romantic bowl and spoon pouring it from the air showing the consistency. Some yellow mustard powder decorates the blue background,.

Heavy cream is the ingredient that makes this mustard so soft and creamy. Yet it has some nice pungent heat in it. This mustard is a perfect gift to cook, when you would like to give a Finnish present for your friends.

How to adjust heat in your mustard-read more on mustard science.

Notes on ingredients

Ingredients for mustard laid on surface with labels; heavy cream, yellow mustard powder, starch, sugar and vinegar.
  • Yellow mustard powder is the one to brown mustard seeds are too strong. I love to use the Colman´s brand for my mustards.
  • Powdered sugar is great because it mixes well. If you do not have powdered sugar, you can use regular white sugar. Even honey is an alternative.
  • As a milk-free option, use plant-based cream or try my other recipe for sweet, strong mustard, which is equally good. Coconut cream also works as a substitute.
  • Apple cider vinegar is a great option that many of you have at home, but the vinegar type is not as important, it can be replaced with white vinegar, white wine vinegar or red wine vinegar.

Instructions

Yellow powder in blue pot.
  1. Put the mustard powder, starch, and sugar in your pan. Stir/massage with a whisk so there are no clumps. Another alternative is to use a sieve to get fine consistency with no clumps.
Yellow sauce in bowl.
  1. Add the cream and mix evenly. The consistency will be quite thick, as you see in the image.
Boiled yellow sauce in bowl with a plastic whisk.
  1. Heat while stirring, so no clumps form and it does not burn. You notice the consistency becomes more runny when the sugar melts. Let the mustard boil gently for around 4-5 minutes.
Mustard in a glass jar.
  1. Take your pot off the stove and add the vinegar. Pour into a clean, sterilized jar. Let cool, and transfer to the fridge to mellow at least overnight before serving.

Tips and special advice

  • If you like to have an even more yellow color on your mustard, add a pinch of turmeric.
  • We love to flavor the Christmas mustard with some cognac.
  • To make presents, you can reuse baby food glass jars. Wash them, put a custom label on them, and wrap a pretty ribbon around the neck.
  • Many people say they store their mustard with cream in the fridge for up to two months, but I cannot guarantee the same storage time.
  • If you feel like the mustard is too strong and hot, add some whipped cream or sour cream in it before serving.
From above picture of  yellow mustard in blue bowl, some silvery pine cones as decor in background. And a yellow ribbon.

Serving suggestions

  • Grillimakkara: Mustard is a must for grilled sausages. We have a variety of sausages in the store, and a package of makkara and mustard is always packed along for day trips in nature.
  • Potato salad: This sweet, mellow mustard pairs well with the sauce of Finnish potato salad, which is great to take along for potlucks and to serve at a barbecue.
  • Open-faced sandwiches: Mustard is a favorite on sandwiches, especially with a slice of ham or turkey. Try out also a smoked salmon sandwich with some mustard-you will fall in love with it. Top with fresh dill.
  • Finnish meatballs: Dip your store-bought or self-made meatballs in sinappi, or make a creamy mustard sauce with them.
  • Sinappisilli: Make pickled herring in mustard sauce. Make a sauce from this mustard, creme fraiche, and canola oil. Flavor with some pepper and dill and lay your matjes herring slices in it. Allow to flavor up for the next day before serving.
Yellow mustard in blue romantic bowl and spoon dripping the mustard and showing the consistency.

Finnish mustard

Kotisinappi-home made mustard. Sweet mustard made with simple ingredients.
4.50 from 2 votes
Print Recipe Pin Recipe
Prep Time 5 minutes mins
Cook Time 5 minutes mins
Resting time 12 hours hrs
Course Sauce
Cuisine Finnish
Servings 20
Calories 5 kcal

Ingredients
  

  • ½ cup yellow mustard powder 1,2 dl
  • ½ cup powdered sugar
  • 1 tablespoon cornstarch
  • ½ cup heavy cream
  • 3 tablespoon apple cider vinegar

Instructions
 

  • Put the mustard powder, starch and sugar in your pan. Stir/massage with a whisk so there are no clumps.
  • Add the cream and mix evenly. The consistency will be quite thick. Heat while stirring, so no clumps form and it does not burn. Let the mustard boil gently for around 4-5 minutes.
  • Take your pot off the stove and add the vinegar. Pour into a clean, sterilized jar. Let cool, and transfer to the fridge to mellow at least for overnight before serving.

Notes

This amount makes exactly one cup of ready mustard. As extra flavoring you can add 1 tablespoon of cognac.
The mustard stores for 2 weeks in the fridge. 

Nutrition

Serving: 1servingCalories: 5kcalCarbohydrates: 5.7gProtein: 0.2gFat: 3.5gSugar: 5g
Tried this recipe?Let us know how it was!

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Hi, I'm Cecilia. I want to share Scandinavian and Nordic recipes for you who want to connect with your Nordic heritage and learn to make delicious, simple Scandinavian food and learn about the food culture.

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