Strawberry-orange smoothie with liqueur

Ingredients:

• 8 large strawberries, hulled, halved and frozen
• 3/4 cup freshly squeezed orange juice
• 0.5 tsp orange zest
• 1 cup vanilla frozen yogurt or ice cream
• 1 tbsp. sugar (or more if the berries are sour)
• 2 tbsp. l. orange liqueur
• Orange slices, for serving

Preparation:

1. In a blender, combine frozen strawberries, orange juice, and orange zest. Blend until coarsely chopped. Add orange liqueur, frozen yogurt, and sugar.
2. Continue blending until smooth and frothy. Divide the smoothie into 4 small glasses, garnish each serving with an orange slice, and serve.