Ingredients?

Half a liter of raspberries

1 cup of sugar

2 cinnamon sticks

Soda Appropriate amount of water

Appropriate amount of grapefruit juice

How to make raspberry grapefruit soda?

1 cup of sugar, 1 and a half cups of water, half a liter of raspberries, 2 Pour a cinnamon stick into the pot, keep it boiling for 15 to 20 minutes, strain carefully, and let cool completely. Then add appropriate amount of soda water and grapefruit juice to make soda.