Apple Cider Syrup

2 cups fresh apple cider
1 cup sugar
2 Tbsp. cornstarch
1 tsp. cinnamon
2 Tbsp. fresh lemon juice
4 Tbsp. butter

Combine all ingredients, except butter, in a saucepan over medium heat until mixture thickens. Boil for 1 minute. Remove from heat and stir in the butter. Serve hot over pancakes.