In a large pot combine the cranberries, brown sugar, granulated sugar, orange juice, water, and vanilla over medium heat. Give it a good stir until the sugar dissolves.
Bring to a boil then reduce to a simmer, and cook for another 15-20 minutes. with a wooden sptaata stir and crush the cranberries from time to time.
Remove from the heat, transfer to a bowl, top it with orange zest and let it cool down. The cranberry sauce might look thin but it will thicken as it cools down.
Notes
How to store cranberry sauce?This cranberry sauce can be stored in an air-tight container for up to 2 weeks. You can also freeze it for up to 3 months in an air tight container.