Chocolate Syrup (Sugar-Free)

I searched high and low for a sugar-free recipe for chocolate sauce and found this one (don't remember where it comes from).

• Ready In: 10 mins
• Serves: 8
• Yields: 1 cup

Ingredients

• 3⁄4 cup  unsweetened cocoa powder
• 1  pinch cinnamon
• 1 1⁄4 cups water
• 1  teaspoon vanilla extract
• 1⁄2 cup artificial sweetener (such as Splenda)

Directions

1. In a heavy saucepan, combine cocoa powder, cinnamon and water. Stir or whisk until smooth. Stir and cook over medium heat until mixture comes to a boil.
2. Reduce heat and boil gently for 5 minutes, stirring often. Mixture should be thick and smooth. Cool slightly, then stir in vanilla and artificial sweetener.
3. Pour into a container or jar with a lid. Cover and store in refrigerator for up to 3 weeks.
4. To serve, spoon 1 to 2 tablespoonfuls over vanilla frozen yogurt or ice cream.