Kale and Apple Green Smoothie

A delicious vegan/vegetarian treat, use this a base for your ULTIMATE green blend!
Ingredients
2/3 cup unsweetened almond milk
1 1/2 cups (packed) chopped kale leaves
1 stalk celery, cut into 1-inch pieces
1/2 Gala apple, cut into chunks
1 tbsp ground flax seed
3/4 cup ice
Agave nectar (optional)
Directions
Place the almond milk, kale, celery, apple, ground flax seed and ice into a blender.
Blend until smooth. Taste and add agave nectar if you would like a sweeter smoothie.
Serve cold.
Adapted from: https://www.cookincanuck.com/