Preheat oven to 300 degrees. In a large bowl, mix together syrup, brown sugar, and egg yolks. In a sauce pan, mix together half - and - half, ginger, nutmeg, cloves, cinnamon sticks and Adams Best and cook over medium heat until tiny bubbles appear on sides of pan. Gradually add milk mixture to egg mixture stirring constantly with a whisk. Return entire mixture to pan and cook on medium heat until it thickens (about 2 minutes). Remove cinnamon sticks. Pour into 8 custard cups. Place cups on baking pan and pour hot water to cover 1 inch. Bake at 300 degrees for 1 hour. Remove from hot water and cool. Place in refrigerator for 4 hours and cool completely.