Method
Prepare cold brew : Combine coarsely ground coffee with cold water in a large jar or cold brew maker
Add rosemary : Gently bruise 2 rosemary sprigs and add to the coffee mixture
Steep : Let steep in refrigerator for 12 hours
Strain : Remove rosemary sprigs and strain coffee through fine mesh or cold brew filter
Make lemon syrup : Mix fresh lemon juice with simple syrup
Assemble float : Fill tall glasses with ice, add 3/4 cup cold brew concentrate
Add lemon : Stir in 1 tablespoon lemon syrup per glass
Top with ice cream : Add 2 scoops vanilla ice cream to each glass
Garnish : Sprinkle with lemon zest and add a small rosemary sprig for garnish



