Taboo Liqueur

Reminiscent of Forbidden Fruits Liqueur.

Source: "Classic Liqueurs" by Cheryl Long and Heather Kibbey

Thin peel from 1 orange (orange part only)
Thin peel from 1 lemon (yellow part only)
1 cup freshly squeezed grapefruit juice (about 2 grapefruits)
1 cup freshly squeezed orange juice (2 to 3 oranges)
1/4 cup freshly squeezed lemon juice (1 lemon)
2 1/4 cups granulated sugar
1 (4-inch) piece vanilla bean, split
1 cup brandy
1 cup vodka

Thinly peel peel from orange and lemon; chop and set aside.

In a medium saucepan, combine grapefruit, orange and lemon juice, chopped peel, sugar and vanilla bean. Bring to a boil. Reduce heat; simmer, stirring frequently for 10 to 12 minutes. Cool to lukewarm.