Cowboy Margaritas

1 (12 ounce) can frozen limeade concentrate
12 ounces tequila, or less to taste
12 ounces beer

Place undiluted frozen limeade concentrate in pitcher. Fill empty limeade can with tequila and pour into pitcher. Fill empty limeade can with beer and pour into pitcher. Serve over plenty of ice.

Makes about 4 servings.