Definition: Tesked (symbol: tsk) is a Swedish unit of volume, equivalent to 5 milliliters (mL) or approximately 1 US teaspoon. It is used mainly in cooking and baking recipes.

History/origin: Tesked is a Swedish measurement that's traditionally used in local cooking. Its equivalent to US tea spoon makes it an easy conversion when following old family recipes.

Current use: Tesked is used exclusively for Swedish recipes. While the metric system is becoming more common in Sweden, 'tesked' persists in certain older or traditional recipes.