Method
1
<h2>Cold Brew Base</h2>
2
<ol><li>Combine coarsely ground coffee with room temperature water in a jar or cold brew maker</li><li>Stir gently to ensure all grounds are saturated</li><li>Cover and steep in refrigerator for 12 hours</li><li>Strain through fine mesh or cold brew filter</li></ol>
3
<h2>Blue Matcha Foam</h2>
4
<ol><li>Whisk matcha powder with 2 tbsp warm water until smooth</li><li>Add blue spirulina powder and whisk until combined</li><li>Add milk and sweetener, then froth using milk frother or French press</li></ol>
5
<h2>Assembly</h2>
6
<ol><li>Fill glasses with ice</li><li>Pour cold brew concentrate, leaving 2 inches at top</li><li>Gently spoon blue matcha foam over coffee to create layers</li><li>Serve immediately with a straw</li></ol>
Barista note: Taste before adjusting — a small change in grind, dose, ratio, or time usually makes the biggest difference.
