Bring ¾ cup of water to just below boiling (about 200°F/93°C).
Place the Earl Grey tea bag and dried rose petals in a teacup or small teapot.
Pour the hot water over the tea and rose petals.
Cover and steep for 3–5 minutes.
Strain into a serving mug and stir in rose vanilla syrup.
Heat oat milk until steaming but not boiling.
Froth milk using your preferred method until foamy.
Slowly pour the frothed milk into the mug, holding back the foam with a spoon.
Spoon the foam on top of your drink.
Garnish with a sprinkle of dried rose petals if desired.
