Green Orange Julius Smoothie

Bahan-bahan (1 porsi)

• 1/4 cup milk (any kind, I used whole milk)
• 1 to 2 tablespoons frozen orange juice concentrate
• 1 medium orange (peel cut off)
• 1/2 banana (a frozen one works great*)
• 1 cup fresh spinach
• 6 -8 ice cubes (or to taste)