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–+ servings
Finnish sima lemon drink in a pitcher and glasses with raisins.

Finnish Sima

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A lightly fermented Finnish lemon drink made with brown sugar, yeast, and raisins for Vappu celebrations.
Prep Time 20 minutes
Cook Time 10 minutes
Fermenting and Chilling 3 days
Total Time 3 days 30 minutes
Servings: 8 glasses
Course: Drinks
Cuisine: Finnish
Calories: 145

Ingredients
 
 

Sima
  • 8 cups water divided
  • 1 cup packed dark brown sugar
  • 1/2 cup granulated sugar
  • 2 medium lemons scrubbed well
  • 1/8 tsp active dry yeast
For Bottling
  • 1/4 cup raisins
  • 2 tsp granulated sugar

Equipment

  • Large nonreactive pot
  • Fine-mesh strainer
  • Clean swing-top bottles
  • Funnel

Method
 

Start the Sima:
  1. Bring 4 cups water to a boil. Remove from the heat and stir in both sugars until dissolved. Add the remaining cold water.
  2. Use a vegetable peeler to remove thin strips of yellow lemon zest without white pith. Juice the lemons and add zest and juice to the pot.
  3. When the mixture cools to lukewarm, sprinkle in the yeast and stir once. Cover loosely with a clean towel and ferment at room temperature for 18 to 24 hours.
Bottle and Chill:
  1. Strain into clean bottles, leaving at least 1 1/2 inches headspace. Add 3 to 4 raisins and a small pinch of the bottling sugar to each bottle.
  2. Close the bottles loosely and refrigerate for 2 to 3 days. Check pressure daily; the sima is ready when raisins rise and the drink is lightly sparkling.
  3. Open slowly over a sink and serve well chilled.

Nutrition

Calories: 145kcalCarbohydrates: 37gSodium: 5mgSugar: 35g

Notes

  • Refrigeration slows but does not stop fermentation. Use pressure-safe bottles, check them daily, and vent carefully.
  • Sima is typically low in alcohol when young, but alcohol and pressure can rise with longer or warmer storage.