This Galaxy Lemonade Slushie Changes Color as You Drink It
The secret to this drinkable science experiment is blue pea flower tea. When its mixed with an acidic ingredient like lemonade, it changes color. Perfect for a party, adults may enjoy spiking their drink with a little vodka or gin. Strain into a 2-cup measuring cup. Pour tea into an ice cube tray and freeze until solid. Place the frozen tea cubes in a blender and crush. Place 1/2 cup in each glass and pour 1/2 cup lemonade over the crushed ice....