Must-Try Picarones: Pumpkin and Sweet Potato Doughnuts

Name: Must-Try Picarones: Pumpkin and Sweet Potato Doughnuts
Cuisine: American, Latin American
Ingredients: 3 cinnamon sticks (divided); 2 teaspoons whole anise seed; 2 teaspoons whole cloves (divided); 1 pound sweet potatoes; 1 pound pumpkin (uncooked, or 3/4 cup canned pumpkin); 1 tablespoon instant yeast; 1 tablespoon sugar; 2 eggs; Salt (to taste); 1/4 cup Pisco (or other brandy); 3 cups flour; 1 orange; 2 limes; 1/4 cup molasses; 1 1/2 cups light brown sugar; 1/2 cup water; 1 quart vegetable oil