A lemon drop shot uses 1 ounce vodka, 1/2 ounce of lemon juice and one sugar cube. A lemon shot martini requires 1 1/2 ounces of vodka, 1/2 ounce of triple sec, 3/4 cup of lemon juice, 1 teaspoon fine sugar and a few ice cubes.
To make a lemon drop shot, the bartender first prepares an old-fashioned glass by lining the rim with sugar and dropping a sugar cube into it. A sugar packet or regular sugar can be used as well. He then pours the vodka and lemon juice along with ice into a shaker and shakes until chilled. He pours the mixture into the old-fashioned glass and serves.
A lemon drop martini is made similarly. The bartender lines a chilled martini glass with sugar. He then pours the vodka, triple sec and lemon juice into a cocktail shaker with ice and shakes well. He strains the drink into the glass and garnishes with a lemon. Some versions of the lemon drop martini replace the triple sec with orange liqueur.
The lemon drop martini was created in the 1970s in San Francisco, California at a bar called Henry Africa's. The place was well-known for it's sweeter drinks, which it concocted to attract more women to the bar. The drink has a fairly high alcohol content due to the use of two different types of liquors, which also made it a popular drink.