1/2 orange slice
1 cube sugar
2 dashes Angostura bitters
2 ounces rye or bourbon whiskey

Muddle orange, sugar, bitters together until the sugar is mostly dissolved. Fill glass with ice, then add the whiskey. Garnish with a marachino cherry, and perhaps an additional orange slice. Serve with a swizzle stick and/or straw

1 1/4 oz. whiskey (bourbon)
1/2 ounce sweet vermouth
Cherry

Shake and strain into a cocktail glass. You can also use rye instead of bourbon.
(optional: 1 dash of Angostura bitters)