Cut vanilla bean in half lengthwise and strip out seeds. Add seeds and pod to a small saucepan with the wine and the other herbs. Cook on medium high until reduced by half, about 15 minutes. Strain out the spices.
Return the spiced wine to the pot. Add cherries, zest and sugar (or sweetener, see note) then cook until cherries are tender and syrup is reduced a bit more, about 10 minutes. Adjust sugar if desired.
Optionally, you can thicken the syrup by combining the cornstarch with a tablespoon of the wine syrup, then stirring back in and cooking to thicken.
Cut the two burrata balls into quarters and place in two quarters each into four serving bowls. Top with warm cherries and syrup. Serve immediately
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Notes
If you use a sweetener containing erythritol be aware that there may be some crystals formed if the syrup cools. Simply reheat to dissolve them and be sure to serve warm.
I am not a health professional and nutrition data is calculated programatically. Accuracy may vary with product selection, calculator accuracy, etc. Consult a professional for the best information.