mint
1 oz agave syrup
2 oz rosemary grapefruit juice
2 oz jasmine/green tea
2 oz black tea
2 oz seltzer
1 rosemary
32 oz grapefruit juice

Add all ingredients (except seltzer) over ice into mixing glass. Shake vigorously and pour into tea glass with the seltzer. Garnish with mint sprig and grapefruit wedge.

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