In a small saucepan over medium heat, combine water, mashed banana, light brown sugar, maple syrup, cinnamon, nutmeg, and salt. Stir to mix.

Bring to a gentle simmer, stirring occasionally, and cook for about 10 minutes until the banana is fully broken down and flavors meld.

Remove from heat and stir in vanilla extract.

let cool slightly. then strain through a fine sieve or cheesecloth.

Store leftovers in a sealed jar in the fridge for up to one week.