*Goya sells a brand that is readily available in supermarkets. Alternatively, you could thaw frozen peaches (about 1 peach worth) and puree with a tablespoon of superfine sugar.
Lime-Sugar for the Rim of your Glass
1 tablespoon sugar
1 teaspoon lime zest
Combine the tequila, peach schnapps, peach nectar, and juice from one lime in a cocktail shaker filled with ice cubes. Shake for about 10-15 seconds and serve in a lime-sugar rimmed glass with ice cubes.
For the Lime-Sugar
Combine sugar and lime zest (I vigorously shake them together in a small ziploc bag). Pour out onto a small plate. Using the lime that you just used for the margarita, rub it around the outside edge of your glass to moisten the rim. Rotate your glass rim through the lime-sugar.