Step 1

Run a slice of lime around the edges of (preferably chilled) rocks glasses. Pour margarita salt or kosher salt onto a small dish. Press the rim of the glasses into the salt to coat the edges.

Step 2

Fill a cocktail shaker with ice.

Step 3

Add tequila, fresh lime juice and agave nectar to the shaker. Cover and shake for at least 30 seconds until ingredients are mixed and chilled.

Step 4

Fill prepared rocks glasses with lots of ice and pour margarita over the top.