Ali's back with another deeeelicious recipe!
Juice and zest of 3 large lemons
1 cup sugar
3 cups boiling water
2 tsp tartaric acid
2 tsp citric acid
2 tsp Epsom salts
Put zest and strained juice into large bowl or jug. Add sugar and the acids and salts. Add boiling water. Stir till dissolved. Pout into a bottle and store in fridge. You can strain if you don't want the bits of zest in it.
To drink, one part cordial to two parts water.