Mandarin Lemon Verbena Marmalade with Campari Recipe

Ingredients (9)

• 5 pounds Mandarin oranges, scrubbed clean
• 1/4 cup dried lemon verbena leaves (or 3 tablespoons fresh)
• 1 cup freshly squeezed juice from about 6 oranges, or 1 cup store-bought orange juice
• 1/4 cup juice from about 2 lemons
• 1 1/2 cups water
• 1/4 cup Campari
• 4 cups sugar
• 1/2 teaspoon butter
• 1/4 teaspoon salt