fresh strawberry margaritas

original recipe courtesy cook's illustrated, 2000

makes about 1 quart, serving 4 to 6

2 cups fresh, hulled strawberries
1 cup lime juice from 8 to 10 medium limes (ok to substitute some bottled lime juice but be sure to include also some fresh)
1/2 cup lemon juice from 2 medium lemons
1/2 cup sugar
pinch table salt
2 cups tequila blanco (recommended : sauza)
1 cup triple sec
1/2 cup strawberry liqueur (recommended : massenez creme de fraise) or raspberry liqueur (recommended : bonny doon framboise or chateau monet framboise)

puree strawberries, lime and lemon juices, sugar, and salt in workbowl of food processor fitted with steel blade until smooth. (if using mini food processor, you may have to do this in 2 batches.)

strain mixture into pitcher.

add tequila, triple sec and strawberry (or raspberry) liqueur to the pitcher.

add ice and margarita mix to cocktail shaker. shake vigorously until thoroughly combined and chilled, 20 to 60 seconds. (ice cubes should sound very small within the cocktail shaker.)

strain into ice-filled glasses; serve immediately.