Homemade Blackcurrant Jam

Wash and sort out berries, cover with sugar , cook over medium heat bringing to a boil, remove foam, cook on low heat for 20-30 minutes until desired consistency, add lemon juice (optional). Pour into sterilized jars, cover, keep on a water bath for 15 minutes. Store in a dark place. Serve for breakfast with fresh toasted bread with butter, yogurt, rice porridge with milk, or ice cream.