Frozen Blueberry Margaritas - cooking recipe

Ingredients

fresh orange juice
fresh lime juice
blue decorator sugar
purple decorator sugar
coarse salt
3 cups ice
1/3 cup tequila
2 cups fresh blueberries
6 ounces frozen limeade concentrate
1/4 cup powdered sugar
1/4 cup orange juice

Preparation

dip rims of margarita glasses in orange or lime juice and dip in sugar crystals to coat if desired.
process ice and next 5 ingredients in a blender till smooth --
serve in prepared glasses --
makes about 5 1/2 cups.