To make one drink: rub glass with lemon slice, then dip glass in sugar or salt. Mix tequila, triple sec, and lemonade in a glass with ice. Add more lemonade if the drink is too strong as written. Garnish with lemon.

To make a pitcher: mix all ingredients in a large pitcher. Add more or less lemonade to make this stronger or weaker. Add lemon slices for garnish. To serve, rim glasses with sugar or salt (run a lemon slice around the glass then dip in salt or sugar). Serve over ice.