1️⃣ Start with 3 cups of Starbucks latte coffee as the base. 2️⃣ Add 2 ½ cups of fresh milk for a smooth and creamy texture. 3️⃣ Mix 2 tbsp of matcha powder and 1 tbsp of white sugar. 4️⃣ Stir well until fully combined, then pour the mixture into a slush machine. 5️⃣ Turn on the slush machine and let it work its magic. 6️⃣ Scoop the matcha coffee frappuccino slush into a glass or cup. 7️⃣ Sit back, relax, and enjoy your homemade matcha frappuccino slush!