3 tablespoons double-strength brewed coffee, or more to taste
1 cup milk
1 banana, frozen and chunked
1 tablespoon raw sunflower seed kernels
1 tablespoon chocolate-flavored protein powder
1 tablespoon raw slivered almonds
1 tablespoon cocoa powder
Pour coffee into an ice cube tray and freeze until completely frozen, 6 hours to overnight.
Blend 2 coffee ice cubes, banana, sunflower seed kernels, protein powder, almonds, and cocoa together in a blender until smooth.