Ingredients

1 cup plain low-fat yogurt

2 ½ cups rhubarb, frozen, chopped

2 ½ cups raspberries, frozen

1/4 tsp. lemon zest

1 tbsp. fresh lemon juice

2 bananas, peeled and broken into pieces

Preparation

Place all ingredients in a blender and process until smooth.

Pour into glasses and serve chilled.