Strawberry Jam Frozen Margaritas

Crush the salt between your fingers until the flakes are quite small. Zest the lime into the salt and then add the chili flakes and mix well, put on a small plate or shallow bowl. Cut a wedge of lime and use this to dampen the rim of four cocktail glasses. Dip the rim of each cocktail glass into the salty mixture.

Put the strawberries, Mrs Bridges Strawberry Preserve, crushed ice, tequila and juice of 1 lime into a blender and blitz until smooth. Taste and add more Strawberry preserve or lime juice as desired. Blitz again. 

Serve immediately in the prepared glasses. 

Cook's top: Use frozen strawberries when fresh strawberries are out of season